suitable for highlighting jewelry in the exhibition or shop. Feature: Safety, energy-saving, environmental protection, long life Low heat, cold light source, touch safely No ultraviolet radiation, no hot radiation, small volume, easy to carry. No glare, no stroboscopic; No harmful material to human, such as, sodium and mercury. Ower power consumption, power consumption less than electric incandescent lamp for up to 10 times Long life up to 50000 hours average. Heat-sink: Pure aluminum High luminance: 50-60 lumen per watt Power: 3W Dimension: D50*H41mm