... Saving energy 3.Long life and environmental protection LED ceiling light Advantages 1. Good security: Solid light source, no air inflation, no stroboflash, ... Voltage: AC220V, 50/60Hz Luminous Flux: >200LM(2.5W), >400LM(5W), >640LM(8W) Light Efficiency: >80LM/W Useful time: >50k hours, ... Use: A substitute for 25-100W or 15-28W LED light. Apply to bedroom, kitchen, bathroom, corridor and balcony ...