... work 40000 h, is halogen lamp 20 times; ◊ A new optical design, lighting effect rival halogen lamp (more reflective surface design, the ... cold light source, quantity of heat is only a quarter of the halogen lamp, ◊ No ultraviolet and infrared; ◊ Turn on the ... , shopping malls, office;→ Display museum, art galleries, window, bedside lamp, household miniascape;→ Song and dance hall club and display booth ...