1. Constant current with long life 2. Isolated power led driver 3. stable qualiy, 4. CE,UL Non-waterproof Constant Current LED Driver · High efficiency, low power consumption· Energy saving, long life.· Stable quality, 100% test before delivery· Built-in PWM control IC led driver· Rigorous ripple and almost without noise.· Over-heat, over-load, short-circuit & open-circuit protection· Ta: -20°C ...