The Philips Hue Motion Sensor V2 is a helpful addition to you and your family safety and peace of mind in the home. Control your lights automatically by adding a Philips Hue motion sensor to your Philips Hue system. You can place the sensor anywhere in your home as it is battery powered and completely wireless. Simply walk by to trigger your lights. Thanks to an integrated daylight sensor. your lights only turn on when needed. You can easily change the light sensitivity in the Philips Hue app. so the sensor only triggers when you need that bit of extra light. When no more motion is detected. the lights dim down before they automatically switch off after a selected time. The motion sensor also helps you to save energy by automatically turning off lights in areas that arent being used.