The Tork Photocell features a durable high impact, UV stabalized polycarbonate housing, UL listed photocontrol. Photocells are great for landscape lighting systems where the homeowner or business owner is wanting the lights to come on at sunset and go off and sunrise. The photocell eliminates the need for a landscape lighting timer. The Tork photocell is user friendly with its pluggable photocell option. This allows for ease of installation by simply snapping the unit into place. The Tork Photocell is offered with a 6 inch lead or 6 ft lead.