SecurityIng 4900LM 7x XM-L2 U2-1A LED Super Bright & Waterproof Stocky Flashlight Super Bright: With 7x Cree XM-L T6 LED, producing the super bright light which can be up to 4900LM. Water Resistant: IP67 waterproof level, you can use it even in the rainy day. Perfect item for home using or outdoor sports, such as hiking, camping, hunting, searching, emergencies, home repairing, traveling and so on. Sturdy & Self-defense: The aluminum alloy shell, it can be a self-defense tool when you are in danger. 3 Modes: High / Low / Strobe (Long press the button for at least 3 seconds), suit for your different needs. Power Source: 4 x 3.7V 18650 Rechargeable Batteries (Not Included). Adopts the high efficient booster circuit which can utilize the batteries in the largest extent.