... suddenly,which prolong the life of the LED light.5,Aluminum alloy sealied waterproof housing, waterproof, moistureproof, aviation connector cable output ... the LED number in series terms. When customs design the lamp board,they must consider the connected terms. The same power ... firstly2,PC**** Series power supply, mainly for the street lamp, project-light lamp and scenic spot lighting, etc.3,0-40°C ...