Green Light LED Flashlight, Single Mode, Zoomable, Tactical Torch with Clip, Adjustable Focus Light for Outdoors, Climbing, Astronomy Observation, Night Vision Single mode green light design, focus adjustable, support Zoom in and zoom out. usefully to stargazing, hunting with a night vision scope, or military operations Zoomable scalable LED for more than 100 yard light beam, long range. With waterproof design, With a mini palm size and steel body clip. convenient to carry Power : 1 * AA/1 * 14500 3.6v Battery (no included) Uses high quality aluminum alloy, with a very solid construction.