AutoGuard GMSA150-BK Liteline Motion Tracker with Alarm, 150W, 120V, Black Preset to energy-saving mode and includes the option of setting it to 24-hour mode Wireless alarm features a low battery indicator, volume control and on/off switch Includes a double-ended 78mm linear halogen lamp, 150W max Aluminium and molded polycarbonate construction makes this wall-mounted fixture durable and weather-resistant Light turns off after 3 minutes of undetected motion