This Smart CCT reflector lamp allows you to easily switch from bright work light to cozy light for the evenings. Use the Calex remote control or the free Calex app for this. These smart lamps work on a normal wall switch and via WiFi. Not on a dimmer switch. With the free Calex app you can connect these lamps with WiFi and set them to the desired ambiance. USPs Connection via WiFi Easy installation Ready to use in 3 simple steps CCT: 2200-4000K (white color) Dimmable via app and remote control