Led World 20-100W LED Aluminium Heat Sink Cooling Fan+44mm Lens + Reflector Bracket kit Package Include: 1pcs 20-100W LED Aluminium Heat Sink Cooling Fan+1pcs 44mm Glass Lens+1pcs 50mm Reflector+1pcs fixed bracekt Specification for Heatsink and Fan: Voltage: 12V DC Heatsink fan Dimension: 80*80*25mm Aluminum Heatsink Dimension: 76*80*40mm Description: 1) Butterfly-shaped design for larger heat dissipation area,improve the overall thermal performance,also the style is unique and nice 2) fan with de-vibration cover,both heat and silent; 3) heat pipes with HDT technology,powerful performance to meet the elite enthusiasts; 4) fin hinged design on both sides prevents air leak effectivly, and heat more evenly; 5) multi-compatible clipApplication: Cooling; Avoid LED overheat Fit High Power LED 20W-30W Kind notice: there are two groups of black wires and red wires. one black wire represents 12V- and one red wire represents 12V+. the other blue wire have no use. Specification for Lens: Diameter: 45mm Height: 19mm Angle: 60-80 degrees Focal Length: 30mm Material: high quality glasses Application: Focus light, make the light looks much brighter; Fit the 20W-30W High Power Led we are selling on eBay/SMT or Like LED. Specification for Base: Material: aluminum alloy Compatible for20W-30W Spot Lights, Automobile Lights, Projector Lamps etc.