Ceiling led lamp 1. Dia 400mm, White, PC cover, 170 led ... 3. 100,000 Hours 4. CE, ROHS Dia 400mm 17w Ceiling Led Lamp features and benefits:1. Energy-efficient, environment-friendly ... , 17w, 170leds, 1600lmDia:450mm, 22w, 220leds, 2100lm LED Ceiling Lamp Applications:1. Commercial and exhibition locations2. Hotel, conference room3. Factory, office, house4 ...