* Light source: 1 x CREE XP-G S2 LED * Luminous flux: 400LM * LED lifespan: Above 50,000 hours * 3 x Modes 100%, 30%, flashing * Back light indicator: Green 100-75%, blue 75-50%, yellow 50-30%, red 30-5%, flashing Red 5% * Case material: 6061-T6 Aluminum alloy * Surface treatment: Type Ⅲ hard-anodized anti-abrasive finish * Switch: Click Switch * Battery: 2×18650 Li-ion battery (8.4V 2.2AH) * Thermal protection prevents overheating * Battery life: 500 times cycle * Runtime: 4.5+ hours (100% brightness) * Charging time: 2-2.5 hours * Waterproof grade: IP64 * Size: 40×50MM