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