Safety Technology International - STI-30104 Lamp Controller for battery or solar powered driveway monitor. Never come home to a dark house again. Lamp controller will turn on a light whenever a monitor is triggered. Plugs into the following STI monitor products: STI-34100 Solar Wireless Driveway Monitor, STI-34150 Battery-Powered Driveway Monitor, or STI 34108 8-Channel Receiver. Activates whenever any event triggers the receiver such as opening your garage door, pressing a button on your key or other sensors connected to the receiver. Simply install by either plugging into wall socket; or plug your incandescent lamp (max. 200w) into the controller, and plug the controller into your receiver.