Sonoff DW2-Wi-Fi Wireless Door/Window Sensor APP Push Notifications White

Sonoff | DW2-Wi-Fi Wireless Door/Window Sensor | APP Push Notifications | Connect with Sonoff Switch/Light | 2.4GHZ Wifi | AAA 1.5V Battery Type | Works with Alexa, Google Home | PCV0 Material | White

The DW2-WIFI Wi-Fi Wireless Door Window Sensor Remind you when door/window is opened or closed. Keep linkage with SONOFF smart products for your easier smart life. No gateway required. The sensor is paired with APP via Bluetooth and is controlled on APP via Wi-Fi. Worry about leaving your door or window open /closed? View instantly the status of home on APP. The sensor will send you a push notification immediately if someone is detected to open your door or window. Add SONOFF camera or an unused smartphone, and you can view whats going on in your home not just receive the alert notification when the door is opened. Want the hallway to light up when you walk into the door and light off when you walk out the door? Simply connect the SONOFF switch or SONOFF light to the sensor and go "The condition and perform must be set on different devices". Check the open and closed status of your door/window via Alexa or Google Home, not just on your mobile phone. There is a reminder on APP if the battery level of the sensor is low. Automatically save message notifications. You can check history records over the last 3 months. Tool-free installation. Adopts 3M adhesive on the bottom of the sensor for easier installation "Make sure the installation gap is less than 5mm when the door or the window is closed".