LED HID Surge Protector; 100-277V AC; 10KV Protection level. For use with Satco Hi-Pro™ LED HID replacement lamps. Indicator light is on during normal operation. Unit should be replaced if light is off.FEATURES:• Has an indicator light• Nominal operating voltage: 100-277V AC• Maximum discharge current voltage: 300V AC• Nominal discharge current: 5kA• Nominal discharge voltage: 10kV• Maximum discharge voltage: 20kV• Frequency: 50-60Hz• Response time: 25ns• Outer casing protection grade: IP67• Operating temperature range: -40°C to 70°C