Larson Electronics 12 Volt Day/Night Sensor for Low Voltage DC LED lights up to 120 Watts

This day/night detecting sensor that automatically turns on an attached light fixture when the level of daylight drops. This photocell can detect ambient lighting and tell whether it is night or day outside. The sensor is also equipped with a test shield, allowing operators to override the sensor. Specifications:Power Source: 12V DCRated Load: 120 Watts on 12 V DCWorking Temperature: -40¡ F to 158¡ FHousing: Weatherproof LexanPhotocell: Sillicon sensorAmbient-Light: 1 footcandleTurn-on/off Ratio: 1:1.5Time Delay: 5 seconds (off only)Switch Type: Single pole, single throwContact Position at Night: Normally ClosedLead Wire: 6" Moisture proof, color coated Mounting: 1/2"-14 threaded (fits 1/2" knockouts), adjustable swivel armDimensions: Height: 4-18" Width: 2.4"Depth: 4"