Mineral glass optical window has double-sided AR coating and Teflon seal to withstand environmental pressure. Piston assures reliable electrical delivery. O-ring ensures seal integrity and threads are anodized for reliability. Knurled switch-cap provides constant on/off. Lithium batteries with a 10-year shelf life. Overall Length (inches): 5.25. Material: Aluminum. Finish:Black Anodized. Power Source: CR123A Lithium, x 2. Bulb:LED. Burn Time: 5 Hours. Batteries Included: Yes. Switch: Momentary On/Off.
57.95