Sonoff DW2 WiFi Door / Window Detector Home Security Sensor Remote Control Smart Linkage

Sonoff DW2 EasyWelink Wifi door and window alarm remote intelligent linkage without gateway

Dw2 wifi comes in two parts, the transmitter fits on the door or window and the magnetic switch connects to the frame. It can help protect your door or window so that you know if your home is safe wherever you are. The sensor will trigger an alarm for your smartphone to remind you of an intruder when the door or window is opened.

Features:
Keep the link with smart sonoff devices to create several smart scenes, turn your light on / off with an action.
Notify you when the door / window is opened, and you can check the open / close status and record of the door / window history in the app.
No gateway required, bt low energy pairing. Allow sharing the sensor with your family to monitor and control your home.
Real-time battery level display and low battery reminder ensure you are clear how long the sensor can run and when you need to replace batteries.
With the simple installation of the peel and stick, it is easy to fit in door frames and window sills.

Note:
* Sonoff dw2 does not come with batteries in the package.
* The sensor can work for up to 3 months if the door / window is opened or closed three times a day.
* The device only works with 2.4ghz wi-fi.
* If the router is working in dual band (2.4ghz & 5ghz), please update the ewelink application to v4.0.0 or higher.
* Pairing will fail if a wrong wifi password is entered.
* The device must come close to the smart phone for a good transmission signal condition during pairing.

Specifications:
Brand: SONOFF
Model: DW2
Material: PC
Battery type: 2 pcs AAA battery, 1.5v(not included)
Operating voltage: dc 3v (2 * 1.5v battery)
Standby current: ≤ 40μA
Emission current: 1515ma
Wi-fi: ieee 802.11 b 2.4ghz
Operating systems: android 4.1 or later, ios 9.0 or later
Installation difference: <5mm
Working temerature: -10 ℃ ~ 40 ℃
Item size: 7 * 3.1 * 1.9cm / 2.75 * 1.22 * 0.74in ; 4.2 * 1.6 * 1.4cm / 1.65 * 0.62 * 0.55in Item
weight: 29g / 1.02oz
Package size: 7 * 4.8 * 2cm / 2.75 * 1.88 * 0.78in Package
weight: 37g / 1.3oz

Packing list:
1 * Door sensor
1 * Duct tape
1 * User manual