Powered by 1 x 18650 battery, capacity: 2800mAh; 1 x Cree XM-L2 LED, brightness up to 850lm, lifespan up to 100000 hours. 3-mode dimming; Constant current and constant voltage; Working voltage: 4.2V, current: 2.3A, drive loaded 1 x Cree XM-L2 LED, highlight: 750lm, mid light: 500lm, low light 200lm, fast strobe: 750lm; Magnetically controlled switch, 4-mode memory dimming; Smooth reflector, effectively increase the reflection efficiency, spotlighting effect is more perfect, vacuum plating, high temperature resistance and anti-drop; CNC aviation aluminum alloy housing, with heatsink design, surface oxidation: 43UA; Effective lighting range: about 300 meters, light intensity: 10000mcd; Waterproof rate: IPX8, underwater within 70 meters; With 1/4" interface to fix on other device; Battery charger: US plug, input: 100~240V, output: DC 4.2V, 450mA