Yeelight Ceiling Light Pro features 240 high quality LEDs, aluminum sheet backside, 1.1 ° C / W thermal resistance saturation, and a highly efficient cooling system to reduce light loss and ensures long LED life with high color rendition. In addition to brightness, color temperature and mode settings (main / night light), the innovative sliding design enables easy installation. Control is supported via voice, app* and Yeelight BLE remote control and Yeelight wireless smart dimmer.