wifi door/window sensor

Product Specification
Built-in WIFI module that sends all alerts to your Smartphone
Super low power consumption, typically only 2 x AAA batteries/year
Separate low battery and loss of signal notifications
Life-time cloud service provided free of charge
Powerful APP for your Smartphone provided free of charge
User can create floorplans in the APP showing device location
APP records last 30 activations time and date stamped
3M double sided tape for permanent fixing included
Blue LED for status indication
Schedule up to 4 periods per day when unit is automatically turned off
Getting started
Congratulations on your purchase of this powerful WIFI Door/Window Sensor. Once the magnet (smaller part) is moved away from the reed
switch (built into the larger part) or both parts close again, the unit will send an alarm signal to your smart phone via your home/business
WIFI connection. Such signal is selectable as an Alarm Sound + Notification, Notification Sound + Notification or just a silent Notification. This
product works together with your smart phone and internet via WIFI. Please check that your smart phone is either an Android or IOS (iPhone)
and that the latest firmware has been installed. Please also check that your WIFI router is working properly and that its operating manual
confirms that it operates on 2.4 GHz with WPA/WPA2 encryption.
Installing the APP
click OK
Before powering up the Sensor, please install our free ‘NEXUSHOME ‘ APP onto your phone. The APP is available in an IOS version on the
Apple App Store and an Android version on the Google Play Store. Ensure your phone is connected to WIFI to complete account setup.
Once downloaded, click and open the APP. The following message will appear. Please click OK.
Now complete your User Profile by inputting your email address and a 6 digit or longer Password, click the REGISTER button, check your
email and click the link in the email from “Netify” to complete registration.
Setting up your DEVICE
connect WiFi
click “Add Device/WiFi Setting”
choose Wireless Pairing
Go to the location in the Building where you eventually wish to install the Sensor. Look at your smart phone and ensure you have a good
and steady WIFI connection there. Now, exit the APP, open SETTINGS on your smart phone and click “Wi-Fi”. Check what is showing. If
you just have a main Router, it should be showing its reference name (or SSID). Each Router or Extender has its own unique reference
name or SSID. However, if you have a network with one or more extenders, it may also be showing, underneath, under “Choose a
Network”, the SSID of an overlapping Extender, as in the picture 1 above. In this case, check whether you are closest to the main Router or
to an Extender and manually select, if necessary, the alternative closest/strongest SSID. THIS IS VERY IMPORTANT. The Sensor will only
communicate Alarm signals to the WIFI Router or Extender that you are about to “pair” it to so it is essential that you pair it to the closest/
strongest Wi-Fi signal.
Re-Open the APP and click
PROFILE at the bottom of the opening HOME page. This will take you to the APP’s SETTINGS Page. Click
Please select “Wireless” at the bottom right hand side of the Page.
insert two AAA batteries
enter the name of WIFI and password
Move the Sensor temporarily, right next door to the Router or Extender that you are pairing to. Carefully unscrew and open the battery
cover. Insert two new, good quality Alkaline AAA batteries, ensuring correct polarity. The Sensor will now automatically enter “Pairing
Mode”. You have 30 seconds to start the Pairing Process.
Go back to the App on the “ADD DEVICE/WIFI SETTING” page. You will see the same SSID of the Router/Extender that you selected in
your phone’s WIFI Settings at the top of the Page. Enter the password of that Router or Extender and press PAIR NEW DEVICE.
The Sensor will now start pairing to the Router or Extender and you will see the wheel whirling. It can take up to 60 seconds for a “pairing
successful” message to appear. If you see the message “time out, try again”, disconnect the batteries from the sensor, reconnect them
to enter pairing mode again and repeat the process. If this error message continues, double check that the SSID on this page and the
password both match the Router or Extender to which you are attempting to pair the Sensor to. Once pairing is successful, you can now
close the battery door. Mount the Sensor onto the Door or Window using the double sided tape provided, ensuring that the arrows on
the both the magnet and the main unit align and that the magnet is no more than 5mm apart from the main unit.
How to use
Device Disabled Settings
Device Disabled Settings
4 different modes
Exit the PAIRING Page in the APP by clicking
Smartphone). Then, click
a/ Top on one of
the 4 periods
device list and history
b/ select time period
c/ turn a time
period off
at the top of the screen (iOS only, for Android users press Backwards on your
at the top of the APP’s SETTING PAGE to return you to the APP’s Home Screen. Now press SECURITY SENSOR
TAG. This will take you to the Alert Mode Screen. This allows you to choose the Sound you will hear on your phone when an Alarm
notification is received from both the Door Sensor and all other Nexus devices you may have paired to your Router.
Alert Mode = Siren Sound (5 seconds repeated twice) + incoming Notification
Chime Mode = Short Alert Tone + incoming Notification
Silent Mode = No Siren, no Alert Sound, just the Notification
Off Mode
= No Siren, no Alert Sound and no Notification (All alerts from the Sensor will still be listed the DEVICE’s HISTORY page)
at the bottom of the screen. This will take you to the DEVICE page. Here you will see all the Sensors, including any other type of
Nexus sensors that have been paired to the APP.
Open the Door/Window on which the Sensor has been installed. You will see the blue LED flash once followed, a few seconds later by a
further two quick flashes, to indicate a notification Alert has been sent to the APP. If you see 3 flashes, it means the Alert has not been
sent, so wait 20 secs and repeat the process. Depending on the Alert Mode you have chosen, this will be audible or silent. You will see
the notification appear
NexusHome now
and the Device will start to flash with the Alert’s time and date stamped alongside. Press the
“Refresh” Button at the top left hand side of the page to cancel the flashing. If you now press the Device Icon, you will be taken to its
HISTORY PAGE which will list the last 30 notifications. On this page you can also:
i) Toggle between turning a local Alarm On
or off
(On means that when the sensor is triggered, the optional Nexus WIFI socket
will also start beeping)
ii) Swipe the “History Section” to the Left to get to the “Device Disabled Settings”. Here you can select up to 4 daily periods in which the
Sensor is automatically switched to Off Mode.
a/ Tap on One of the 4 periods to take you to the Time Selection Screen.
b/ Select the Time Period at the top of the Screen you want the Sensor to turn Off automatically and then select the Days of the Week.
to return to the Time Selection Screen.
c/ The Periods you selected will now be shown on the Screen. Click on
to manually turn a Time Period Off.
Advanced Information for the DEVICE PAGE
Press to Refresh/Reset the Device Page and stop a flashing Sensor Icon.
Press this Icon, at the top of the page, to return to the APP’s Home Screen
(iOS only, for Android press back on smartphone).
Enables you to share Alert notifications for a Sensor with any other user who has already
downloaded the Nexus APP. See below for full details. Whilst in this section, you can also alter
the order in which the Devices are listed on your screen. Press
on” the right of the Device
whose order you wish to change and then drag it to its new position on the screen.
A personalized description of the Sensor.
Press the Sensor’s Icon, to go to its HISTORY page and press “DOOR SENSOR” seen just above
the ID. Complete CHANGE DEVICE NAME and save it.
This is the Device’s unique ID.
Personalized Icon or Photo for the Sensor.
Press the Sensor’s Icon to go to its HISTORY PAGE, then press its Icon again on
this page. Choose “Take photo”, “From album” or “Default icons” to create a
personalized Icon.
Flashing - Indicates a Sensor has sent an Alert notification.
Press the Icon to go to the Sensor’s HISTORY PAGE
Indicates a Low Battery.
Although batteries should continue to last for up to a month after this Icon
appears, you should change them immediately, respecting the correct polarity
and using good quality Alkaline batteries. Always test a Sensor after replacing the
The Sensor sends a “heartbeat” signal to the Router every 4 hours.
This Icon indicates that contact has been lost between them.
Shows that a Device is active.
Click on this Icon to toggle the Device to be active or non-active
Indicates whether the Sensor is also sending an Alert Signal to the optional
Nexus Indoor Siren (sending a signal as shown). Press the Sensor’s icon to go to
DEVICE HISTORY, then press the Siren Icon on that page to toggle Off
Press this icon to return to the APP’s Alert Mode Screen.
Press this icon to take you to the APP’s Floorplan Screen.
Here you can create personalized Floorplans showing the locations of Doors, Windows and
individual Sensors (see below)
How to share an Alert Notification from a DEVICE with another Smartphone
press edit
press share
press “Received Device”
Ensure that the free ‘NEXUSHOME ‘ APP has been installed on the other Smartphone and complete the registration process, following the
procedure detailed in “Installing the APP” above.
at the top right of the Device Page in the APP on the Smartphone.
Now select the Sensor you wish to share, then press
used when registering their user profile. Press
and complete the “Share Device to” box with the other user’s email address they
to exit.
Open the APP on that other User’s Smartphone and press
PROFILE at the bottom of the opening Home Page.
This will take you to the APP’s SETTINGS PAGE. In the section “Received Device” you will see a number in green. This denotes the number
of Devices that you have selected to share with that User.
Press “Received”. This will take you to a list of those Devices. The new User can now choose whether to accept or reject Notifications
from those Devices. Note that the new User can select, separately, on their APP’s Device Alert Page whether such notifications are
Audible, Silent or Off.
How to delete a DEVICE from the APP
Whilst on the DEVICE PAGE, hold and swipe the Devices Description to the left of your screen and press
For Android, just press and hold then confirm with the prompt window for deletion.
Advanced Information for the Floor plan Page
Swipe the screen to the Left to reach a new floorplan
Press to add an additional floorplan.
Press to show the list of all your Devices. Then press on an individual device
from that list to add it to that Floorplan. Press to add an additional floorplan.
Drag a Device Icon here to delete it from that floorplan.
Press to turn Devices on this page On/Off .
Press to edit the floorplan on the screen. This will then take you to the screen
below left.
Whilst in Editing Mode:
Use your finger on the screen up/down/
sideways to create a drawing.
Press to delete this Floorplan completely
Press to delete your last action
Press to add Door/Window Symbols, drag to Floorplan location,
press screen to return
Press to remove all from this Floorplan
(Bottom Right) Drag a Socket Icon here to delete it from that
Press to Save the Drawing
Do not place any other magnets or magnetized materials close to a Sensor as this could cause a false trigger.
Make sure your WIFI router and its signal strength cover all the Sensors locations. Please note that a WIFI signal may not penetrate
through concrete walls or solid doors and that, if it does, it is usually SEVERELY reduced. You may therefore need to add one or more WIFI
Repeaters to increase signal coverage. If you do this, then ensure that individual devices are paired to the closest Repeater or Router.
Since all Router/Repeater SSID’s are different, you must ensure that the Sensor is paired to the correct SSID (see setting up your WIFI
Device above).
After installing a Sensor, please test it at least a couple of times to check the performance.
Trouble Shooting
Check whether the Sensor has enough battery power. Always use new, good quality, Alkaline batteries.
If there are too many WIFI connections around your Sensor, turn them off to avoid any disturbance and pair again.
Check that the router is working properly and that it operates on 2.4GHz
Check that the SSID and password are correct.
Check whether the Sensor is within coverage of your WIFI router/repeater. Move the Sensor or Router to a different location.
Check that the router is working properly
Check the power level of the tag. If it shows a battery low icon in the APP, please replace the batteries.
Check that the magnet and reed switch are aligned correctly with the arrows directly opposite each other.
Check that the distance you have mounted the magnet away from the built-in reed switch is no more than 5mm.
Do not drop, disassemble, open, crush, bend, deform, puncture, shred, microwave, incinerate, paint, or insert foreign objects into the
Sensor. Such actions could result in an electric shock. Clean the Sensor only with a dry cloth.
Do not expose the Sensor to extremely high or low temperatures or leave them in direct sunlight for extended periods of time.
Do not leave the Sensor near open flames such as cookers, candles or fireplaces.
It’s dangerous if you replace batteries incorrectly or with the wrong polarity. You should only use the same or equivalent type of battery to
replace a damaged or drained one. The Battery should not be exposed to an overheating environment such as extreme sunshine or fire.
Always use a good quality Alkaline battery for best results.
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