Automatic P ocell Sensor: Rated Voltage:110-277VAC, Rated Loading: 1000W Tungsten, 1800VA Ballast. Automatically turns light on at dusk and off at dawn. The dusk to dawn sensor is suitable for LED, parking lot light, street lighting, outdoor lighting, factory, indoor lighting, pedestrian pathway and landscape lighting. IP65 & Surge Protection: The surge protection help to protect the dimmable lamp post from the lightening, material shell avoids the internal corroded or , weather-proof and durable. Easy Installation: Twist lock design makes it easy to replace and install, just need to plug in a base. Standard prongs ensures this p o control sensor could be used with any standard twist-lock style receptacle. Time-delay: The p ocontrol light sensor designed with 3-20 seconds time-delay. Accurately judges natural light, won't be triggered due to other temporary light. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Blue Material:Plastic Package Contents: 3 * P ocell