- Dimmable color temperature and brightness: 3000K to 6000K (Warm/Natural/Cold daylight) with 10%-100% stepless dimming. COB LED chip delivers high light output with energy efficiency and long life. - Size and power: 3.94 x 3.94 x 4.1 inches, aluminum housing. Voltage: AC 85V-265V, power 10W. No transformer required; LED driver includes short circuit protection for safe operation. - Smart control: Install and use the LampSmart Pro app from Google Play or the Apple App Store. Or use a wall switch (not included) to repeatedly turn the dimmable light on/off within 3 seconds to switch between 3000K/4000K/6000K; the chosen color is memorized about 5 seconds after turning on. - Mounting and adjustability: Dimmable ceiling spotlight with 360° rotation and up to 90° tilt. Can be installed on the ceiling or wall to precisely aim the light where you need it. - Applications: ideal for kitchens and work areas needing adjustable task lighting, living rooms or galleries for ambient or accent lighting, and hallways or entryways where flexible, comfortable illumination is desired.