Indoor motion sensor detects movement and automatically turns on the lights Completely wireless function with Zigbee communication protocol lets you install this motion sensor anywhere in your indoor space including bathroom, bedroom, kitchen, and living rooms Compatible with Philips Hue Bridge system and Philips Hue devices Philips Hue app lets you set the time when the sensor activates and also set the preferred light sensitivity of the sensor Customize the lights that must be turned on depending on the time of day, such as gentle night lights when it is dark and crisp white lights for your living room Integrated daylight sensor detects when there is still daylight left and does not turn on the lights until it is dark Requires connection to the Philips Hue Bridge system (sold separately) Works with Google Assistant, Amazon Alexa, Apple HomeKit, and Cortana for hands-free voice control