The Bluetooth Remote Control can turn the light on and off, switch to the moonlight mode and adjust brightness and color temperature. The minimalist design and compact size enable an easy usability for children and elderly persons. Due to low power consumption (in μA range), it has a useful lifetime of 12 months (40 times a day). Changing the battery is simple with a sliding cover of the battery compartment. The remote control is compatible with Yeelight Ceiling Lights ONLY. Battery (CR2032) not included. Model No.: YLYK01YL Color: White Material: Plastic