The Sidewinder boot is the new standard flashlight for boot camp, recruit/basic training and whenever extra military instruction occurs. Material/Lens High-impact, super-tough polymer body offers exceptional durability. Unbreakable polycarbonate lens with scratch resistant coating. Gasket sealed. It uses two “AA” alkaline batteries (included), also accepts two “AA” lithium batteries for extended operation in extreme temperatures. Durable Belt/Clothing clip with integral helmet mount features. Cord attachment hole capable of supporting 25-Pound (55 kg). It meets applicable European Community Directives. Tactile battery polarity indication on body facilitates battery replacement in the dark. Battery compartment cap hinged to prevent loss. Multi-function push-button power switch. Spring steel clip fits to molle or helmet mounts. Five intensity levels correspond to desired run time. 100%: 10, 000-Lumens runs 2 hours; 80%: 8, 300-Lumens runs 2. 75 hours; 60%: 6, 300-Lumens runs 3. 75 hours; 40%: 4, 500-Lumens runs 5. 75 hours; 20%: 2, 300-Lumens runs 11 hours.