... 1,Constant Voltage 2,Output: 200W,12V 3,IP67,IP68 4,Certification: CE,RoHS 5, ... using pulse width modulation (PWM) switching technology designed to ensure power supply stability and high efficiency. 2. ... EMC testing, ripple ≤ 50MV. 3. Efficiency above 80%, temperature ≤ 25 °C. 4.LED switching power supply with overvoltage protection, ... product. CE RoHS waterproof switch power supply for LED, CCTV