THIS PHOTOCELL IS FOR MULTI VOLTAGE (110-277V) STREET & FLOOD LIGHTS The photocontroller is applicable to control the street lighting, garden lighting, passage lighting and doorway lighting automatically in accordance with the ambient natural lighting level, and midnight sleeping timer settings. This product is designed with microprocessor circuits with either sensors of CdS photocell, photodiode or IR-filtered phototransistor and a surge arrester (MOV) is provided. Its quicker response with time delay of 3-20 seconds for turning-on and offers an easy-to-test feature. This photocell has the avoid mis-operation due to spotlight or lightning during the night time. The –HP version provides constant reliability as the relay has sufficient work life of over 50,000 hours of lighting and offers extra long work life when a metal Armor option is applied together. This product meets the requirements of ANSI C136.10-2010 and the Standard for Plug-In. *Not compatible with 480V High Voltage units Specifications SKU: 106-100049 Twist Lock: Yes Surge Arrester: Built In Rated Frequency: 50/60Hz Rated Loading: 1000W Tungsten, 1800VA Ballast Power Consumption: 1.5VA [3VA for -HP] Overall size: 3.3"x 2.6" Warranty: 1 year Installation Disconnect power; wire the receptacle according to the diagram in right hand. Push the photocell on and twist it clockwise to lock it into the receptacle. Adjust the receptacle position if necessary.