3500 Lumen 5 Modes CREE XM-L T6 LED Powerful 18650 Flashlight Lamp Light Sky Wolf Eye Cree XM-L T6 3500lm 3-Mode Waterproof Lotus Head LED Flashlight Suit Black is a cost-effective trade-off. Powered by 18650 battery, it is stable for long-term working. Also, with a strap, it is convenient to carry. Most all, this flashlight is suitable for household, outdoor activities, hiking, night fishing, camping, and sailing etc. Seize the chance if you want to buy a high performance and bright light flashlight! Power Supply: 1x18650 Battery (Not including)