2pcs AS-20 Street Lamp Light Control Switch AC220V 50-60Hz Description: Turn on automatically when it goes dark Turn off automatically when it goes bright Specification: Voltage: AC220V Frequency: 50-60Hz Load current: 10A Rated current: 20A Ambient temp.: -20 C to +50 C Size: 14.2x7.8x6.4cm Power consumption: Max. 2.0W Operating illumination: Turn-on: Less 30lux Turn-off: Less 150lux Installation precautions: Do not use this device installed in dark place in the daytime or direct exposure by normally closed lamp light. White wire black wire of automatic switch connect to power, white wire red wire connect to load. Caution: The control unit may be damaged by misconnecting. At installing in daytime, the unit may turn-ON first, then turn-OFF within 3 minutes. This is normal operation. Package included: 2 x Light control switch 1 x English manual