... 2.High Reliability, Low Cost 3.2years warranty 4.5V led power supply LED Swiching Power Supply1.Low price and high reliability 2.Universal AC ... full range 3.High Reliability, Low Cost 4.overload/ short circuit 5.Lead time: 1-4 working6.isolated from the other outputs7.100 ... UL60950-1,GB4943EMC StandardEN55022 Class B,EN61000-4-2,3,4,5,6,8,11 GB17626.5 Level3 ProtectionOver voltage Protection>115%-135% ...