This premium miniature photocell by Zexum is a wall mounted thermal photodiode dusk to dawn sensor, ideal for controlling outdoor garden lighting or indoor security lighting. Featuring a 17mm diameter sensor hole and handy 300mm or pre-wired cable, this sensor is easily installed and operated with your lighting equipment of choice, and its IP65 rating makes it a dirt and water resistant product ideal for use in gardens. Main Features: Remote miniature photocell 17mm sensor easily wired with 300mm pre-installed cable IP65 rated Technical Specifications: Operating range: on - minimum 20lux, off - maximum 80lux. Max load: 2000 Watt tungsten halogen, 2 x 400 Watt SON. Rated switching capacity: 10A. Electrical termination: 300mm pre-wired cable. Operating Voltage: 230V Product Dimensions L: 52mm W: 28mm H: 20mm Comes with a 1 year manufactures warranty. For a more advanced photocell digital wall controller, you may be interested in a Greenbrook Photocell Secu