Tense FR-GR Photocell RelayThe Tense FR GR Photocell Relay is an intelligent light sensitive control device designed to automatically switch lighting systems on at dusk and off at dawn. Ideal for street lights, garden lighting, signage, and outdoor illumination systems, this relay ensures energy efficiency and convenience by eliminating the need for manual operation. Built with reliable sensing technology and a durable casing, the FR GR operates dependably in various