... hours 3 20w 2000LM 4. apply to hotel light NEW led light 120cm with high brightness and high energy efficiency TypeT8 ... 10 times more than that of traditional tubes, free maintenance No noise, quiet and comfortable, can be suitable for library, ... ray, no radiation, no flicker, and no harm to the eyes, Traditional fluorescent lamp generate 100-120 times stroboflash per second.No UV light, no mosquito, ...