10 red LEDs with 2 modes of operation. 3 LEDs on, and 10 LEDs on. Burn times of 100 and 28 hours. Push button on/off switch. Anodized aluminum construction with rubber grip. Uses 4 AA Alkaline batteries, included. Comes complete with easy to use battery loading system, nylon pouch, and a 6.50 in. carrying strap. Weighs 9.00 oz. with the batteries.