Photocontrol, 120V AC Voltage, 1,800 Max. Wattage, Fixed Mounting/ OVERALL LENGTH: 1.813 INCHES NOMINAL OVERALL WIDTH: 1.313 INCHES NOMINAL SPECIAL FEATURES: FIXED POSITION MOUNTING; TEMPERATURE RANGE: -40 TO +158 DEG F; MAXIMUM BALLAST AMPS IS 8.3; MAXIMUM WATTS IS 1800; VOLTAGE RATING IS 120 VOLTS; DEPTH IS 13/16IN.; HOUSING CONSTRUCTED OF HIGH IMPACT POLYCARBONATE; COMPONENTS SHALL CONSIST OF A METAL FILM RESISTOR, DUAL TEMPERATURE COMPENSATING BI-METAL BLADES,SNAP ACTION CONTACT BLADES, CHEMICALLY TREATED/POLYMER ENCAPSULATED CADMIUM SULFIDE PHOTOCELL AND SILVER ALLOY CONTACTS PRECIOUS MATERIAL: SILVER