1,Constant Voltage 2,Output: 200W,24V 3,IP67,IP68 4,Certification: CE,RoHS 5,2 years ... 80%, temperature ≤ 25 °C. 4.LED switching power supply with overvoltage protection, short circuit protection, overload protection.5. Constant current output to ensure the stability ... of product or repaired bad product. Street light waterproof IP67 LED Power Supply 24v DC 200W