Bright, glare-free, wide beam LED (light emitting diode) with motion activated sensor for hands-free convenience and safety. Weatherproof seal for protection against moisture. Installs in minutes, no wiring necessary. Mounting plate makes battery replacement easy. Adjustable head rotates to aim light where needed. Sleek and simple design compliments any exterior, energy efficient LEDs extend battery life and never need replaced. Detects motion 100 degrees up to 25 feet. Uses (4) C batteries, not included.