If your concern is not only about home security but about using motion to turn on or off the light, well, SONOFF SNZB-03 maybe makes you feel amazing. This ZigBee motion sensor is an extra-handy smart device for placing anywhere in your home to detect motion and trigger alarms.

That means the sensor will send an instant alert notification to your mobile phone whenever the motion is detected if this security system is armed. If you have a SONOFF ZigBee Bridge, you can connect the sensor to it to activate Wi-Fi devices, not merely ZigBee devices. For example, you can set a scene for your living-room light so that it will automatically turn on when you walk through the living-room.

Features:

-ZigBee Bridge is needed
-Create smart scenes to activate Wi-Fi smart devices.
-Detect movement and trigger alert messages.
-Turn on/off the devices through your movement.
-Work with the SONOFF camera to monitor your home.
-6m detection distance and 110°viewing angle.
-Share the sensor to your family to together keep eyes on your home.
-3-month history records check.
-Low-battery notification.
-Quick peel and stick installation.

Specification:
-Battery: 3V(CR2450);
-Wireless protocol: Zigbee (IEEE 802.15.4);
-Material: PC;
-Dimension: 35*39*28mm