[Create Routines] Using the Alexa app, you can create custom routines that trigger when motion is detected, allowing you to customize Alexa messages to play. [Smart Light Control] Works with smart lights or connected to the Alexa service, allowing you to create programs in the Alexa app that automatically turn them on when motion is detected and turn them off after a specified period of inactivity. [Easy Installation] Installation is quick and easy. Simply use a metal pin to press and hold the reset hole on the back of the device until the red light flashes three times to enter configuration mode. Compatible for devices will automatically discover the sensor by saying "Alexa, discovered device." [WIDE RANGE & LONG BATTERY LIFE] Capable of detecting motion from a distance of approximately 23 feet. Powered by a CR2450 battery(with), the sensor will last a long time under typical use. Note: Requires built-in Zigbee hub, sold separately. Requires secure 4GHz WiFi network connection. Material: ABS colour: white Package Contents: 1 x 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.