Electronic ballast for 100W HPS lamp Voltage: 220V 50/60Hz Current: 0.52A Input power: 108W Output power: 100W Power factor: >0.97 Voltage range: 170 to 265V THD: <10% Operating frequency: high frequency No audible noise, no flicker Env Temp: -20 to 60°C (-68 to 140°F) Env IP require: IP65 Protection: Short circuit, Open circuit, Overheat Size: 150*88*41mm Weight: 0.5kg