... Panel Lights’ Features1, Energy saving up to 50%, high brightness2, Instant start, no glare, no beep3, Delicate, thin, die-cast aluminum design4 ... not be used without the noise, suitable for use sophisticated electronic equipment establishments, libraries and offices and other places.4,No ... .8, Quick response: LED lights DC without waiting for the start-up time which means that bright.9,Long life: LED ...