Gain Top Industrial Group Skype: Camie wu Track Light 20w 40w Feature: MaxCool High Power LED with aluminum materials. Color for the light body can be: White ,Hairline silver, hairline black, polishing. Could be 3 wire, 4 wire,or 5 wire (depends on the track you use) Fully aluminum housing, excellent heat dissipation. Much more energy-saved. Much longer life span, up to 50,000 hours As a result, cost of maintenance and replacement is reduced. Much more safe, vibration and impact resistant, no UV and reduce IR radiation. Available in various sizes, can be custom-made. Specification:  LED Light Source: 1 COB leds (Epistar)  Voltage: DC 24V/DC100-240VAC  View Angle: 30 degree  Color Temp: WW/CW/Y/R/G/B  Power Consumption: 20Watts  Material: die-casting Aluminum with paint.  Lumen: 1969Lm  Certification: CE,ROHS Approved  Life span: 50000 hour Application: The ones can be applied to hotels, shop, conference / meeting rooms, showroom, commercial complexes, museum, exhibition building etc