... ,Constant Voltage 2,Output: 150W,24V 3,IP67,IP68 4,Certification: CE ... modulation (PWM) switching technology designed to ensure power supply stability and high efficiency. 2. Product interference, through the ... 80%, temperature ≤ 25 °C. 4.LED switching power supply with overvoltage protection, short circuit protection, overload protection.5 ... IP68 outdoor aluminum led switching 24V DC 150W power supply