... , short circuit, over temperature, over power protection; 3. 4KV more lightning-resistant high pressure; 4. A waterproof, moisture-proof, dust-proof function ... , 47 ~ 63HZ; Output Power: 300W; Efficiency:> 90% max.; Power Factor:> 0.92; Surface temperature: <60 °C; Volume: L236mm * W67mm * H42mm 150W LED Power Supply