Heath Zenith SL-6037-WH Wireless Command, Solar-Powered Driveway Alert set Includes solar-powered wireless motion sensor and plug-in alert Motion outside turns on lamp and sounds alert inside Sensor may be mounted indoor or out where needed without wiring Plug-in controls up to 300 watts incandescent lighting Bronze sensor, 3.25 by 3.5 by 6.25; plug-in alert 2.875 by 3.50 by 1.125 inches