ZigBee Wireless Motion Sensor - Sonoff SNZB-03
If your concern is not just about safety at home, but with the use of movement to turn the light on or off, the Sonoff SNZB-03 is the solution. This Sensor of ZigBee Motion is an extremely useful smart device to place anywhere in your home to detect movement and trigger alarms. This means that the sensor will send an instant alert notification to your mobile phone whenever movement is detected if this security system is armed. If you have a Sonoff ZigBee Bridge, you can connect the sensor to it to activate WiFi devices, not just ZigBee devices.