... . stable qualiy, 4. CE,UL Non-waterproof Constant Current LED Driver · High efficiency, low power consumption· Energy saving, long life.· ... 100% test before delivery· Built-in PWM control IC led driver· Rigorous ripple and almost without noise.· Over-heat, over- ... short-circuit & open-circuit protection· Ta: -20°C to 50°C, Tc: 75°C led driver· Quick assembly and easy installation· Suitable for indoor ...