Product Description This item is LED Headlamp with Adjustable Beam Focus feature. Area, spot, and flood lighting is all available. Equipped by CREE XP-E LED, the beam distance of flashlight is up to 450 meters. Luminous flux is about 240lm in full brightness. Two 18650 battery is required. Nan Kang high quality standard. Product Technical information Product No.: NK-606 Weight with batteries: 188g Product dimensions: 42*59mm Batteries: 2*18650 Color: black and red Material: aero grade aluminium alloy Power source: battery-powered Wattage: 5w Type of bulb: Led Beam distance: 500m Run time high: 4h Run time low: 8h Water-resistant: IP-X4 Impact resistant: 1.5m Lumens: 240lm Peak Beam Intensity: 20600cd Rechargable: Yes Usage: commercial/residentail