Motion alarm push notifications let you know what's happening even from a distance. When the device senses something within the detection range, it transmit the information to the cloud through the gateway. No matter where you are, you can receive real-time alarm push notifications on the App, and you can keep track of everything Multi-device linkage for full-house intelligence Multi-scenario application, versatile , suitable for home bedrooms, bathrooms, warehouses, computer rooms and other scenes. Safe guarding, creating quality life APP remote push notifications After receiving the wireless signal, the alarm immediately send the notification information to the mobile phone, so that you can know the alarm situation in time and take corresponding measures Wi-Fi + ZigBee gateway can be used even when is disconnected. It integrates two wireless communication methods, Wi-Fi and ZigBee, which can be remotely controlled by Wi-F or locally controlled by ZigBee. It can also cope with it without a W-Fi network Power input: DC3V (CR2032battery) Battery life: 7 months (replaceable) Low battery warning: supported Working temperature: -10 - 55 Working humidity: 10%-99%RH (non-condensing) Main material: PC+ABS Range: 0-1000LUX Report frequency: real-time reporting Colour:White Material:PC+ABS Package Contents: 1x Light Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.