This On / Off Wall Switch, manufacturered by Skylink, is listed with an MPN of WE-318. - Replace existing wall switch. - No neutral wire is needed. Easy to install. - Operates appliances with relay output: Heaters (up to 1000W). - Lighting, Tungsten load (up to 600W). Ballast load (up to 500W). - Two modes for different applications on/off, Countdown timer. - Up to 500 feet operating range in an open area: Long range, no problem. - Attractive built-in blue LED light.