... Prodcut Descripition 1,The Switching Power Supply: Isolated and with high efficiency which is as up to 80% above, and the ... repeated switch current suddenly,which prolong the life of the LED light.5,Aluminum alloy sealied waterproof housing, waterproof, moistureproof, ... GB17625.1 Supplemental instruction1,It outputs current according to LED custom in parallel terms, and output voltage according to ...