Automatic dusktodawn control for outdoor lighting — this waterproof, sensitive photocell switch automatically turns lights on at low light and off in daylight, saving energy and extending lamp life. Compatible with DC 12V and AC 110V / 220V systems and rated for up to 10A, it's designed for reliable control of street LEDs and other outdoor lighting loads. Key benefits Automatic on/off operation: responds to ambient light so lights only run when needed, reducing energy use and manual effort. Sensitive photocell detection: accurate light sensing for dependable dusktodawn switching. Weatherproof for outdoor use: sealed against moisture to perform reliably in exposed locations. Wide voltage compatibility: available for DC 12V and AC 110V / 220V applications to fit different power systems. Up to 10A switching capacity: handles common LED and lighting loads used in street and outdoor fixtures. Key attributes Functionality: photocontrolled on/off sensor (photocell) for automatic light switching. Compatibility: DC 12V, AC 110V, AC 220V systems; suitable for LED street lights and similar outdoor lighting. Performance: sensitive light detection with automatic dusktodawn switching; rated up to 10A. Protection: waterproof construction for outdoor installation and reliable performance in wet conditions. Typical applications Street and roadway LED lighting: automatic control of street lamps to ensure lights operate only at night. Garden, pathway and yard lighting: automate outdoor fixtures for consistent dusktodawn illumination and energy savings. Outdoor signage and security lights: keep signs and security lighting active after dark without manual switching. What you get A sensitive, waterproof photo switch that provides automatic on/off control for DC 12V or AC 110V/220V lighting circuits with a maximum switching current of 10A. Ideal for outdoor LED and street light applications where dependable dusktodawn operation is required.