LaserMax's Genesis is a compact, durable green laser with a rechargeable battery. Departments and agencies no longer have to purchase expense specialty batteries for their green lasers. The highly visible, pulsating green laser from LaserMax comes equipped with an easy-access universal micro USB port that makes charging fast and effortless. Weighing in at just 1.4 ounces, Genesis fits on virtually any firearm with an accessory rail and a dual tap-on activation switch, accommodates both left and right-handed shooters. Although battery life woes are minimal with the rechargeable Genesis, an automatic 10 minute shut off ensures every charge lasts. Genesis also has an optional momentary activation switch, ideal for long guns. Like other high quality rail mount lasers from LaserMax, Genesis is user adjustable for windage and elevation.