... 3,CE,RoHS,EMC 4,2 years warranty About BNOGFeature1.LED driver using pulse width modulation (PWM) switching technology ... ripple ≤ 50MV. 3. Efficiency above 80%, temperature ≤ 25 °C. 4.LED driver with overvoltage protection, short circuit protection, overload protection.5 ... Products have the anti-interference ensures long-life LED lamps, reducing the LED light decline.Products Data Model No.BNL-3WShell ...