Original OEM Vista Parts Made from superior-grade material for lasting durability. Magnetic overload circuit breakers for reliable automatic circuit protection under all conditions, a rocker switch may also be used for manual on or off switching . Designed to control LEDs. Dimmable design allows for hassle-free brightness modifications. UL listed for safe and reliable use Introducing the TCS WiFi Lighting Transformer in a 300W configuration. Four total zones, featuring three individually programmable zones with dimming capability and astronomical timing. Also includes an industry-first Smart Zone terminal, which supplies uninterrupted power for WiFi-enabled smart fixtures and smart lamps that have their own control feature. A free, downloadable app allows the TCS to be controlled by mobile devices from anywhere.