Constant power drive, constant current output control mode Class I structure Input voltage: 100-277Vac (H version derating below 180Vac) Protection level: IP67 Lightning protection level: 4KV/6KV for 75W and below, 6KV/15KV for 100W and above Isolated dimming function: three-in-one dimming (0-10V, PWM, resistor dimming) Dimming logic: 0/1-10V, 0-5V dimming positive and negative logic optional Life warning, soft start, light attenuation compensation Protection functions: short circuit, overtemperature, overvoltage, undervoltage, etc.