UST BrightForce LED Flashlight Bright white LED flashlight shines up to 320 lumens; ideal for camping, backpacking, hunting, and emergency preparedness Anodized aircraft-grade aluminum with non-slip silicone sleeve; waterproof to 1 meter (IPX7) Powered by two AA batteries (included); runs for up to 3 hours on High and 10 hours on Low; includes flashing SOS mode Light beam can focus from wide to narrow Weighs 5 ounces (142 grams) with batteries; measures 7 x 1.1 inches (178 x 27 mm)