Motion Sensor. Wireless installation. Easy access to light scenes. Smooth dimming. Use as a remote control. Dimmer switch. Enrich your system with the Philips Hue dimmer switch and enjoy smooth wireless dimming. The switch works as a normal wall switch and dimmer. Place it anywhere you want, using screws or the adhesive tape on the back plate of the switch. Technical Specifications: Environmental. Operational humidity: 5 percent