Detailed Product Description LED Clip on Lamp with 48LEDs fixed on a PCB as tube, alumunuim heat sink, ... is equivalent to use 10 years when it works on 8 hours per day.(4) Adopt daylight color ... 750LUX within 35~50cm distance where the lighting LED tube is apart from desk.(6) Lowest price ... promise high quality.Specifications(1) LED type: DIP F5 LED, 7LM/0.06W, 48LEDs on PCB board, alumunium heat sink ...