1,Constant Voltage 2,Output: 200W,12V 3,IP67,IP68 4,Certification: CE,RoHS 5,2 years warranty Specification Model No.WTF-D12200BShell ... ≤ 50MV. 3. Efficiency above 80%, temperature ≤ 25 °C. 4.LED switching power supply with overvoltage protection, short circuit protection, overload protection.5 ... of the same type of product or repaired bad product. CE RoHS waterproof switch power supply for LED, CCTV