The versatile high performance L-shaped HC33 headlamp utilizes a CREE XHP35 HD LED, combined with “Precision Digital Optics Technology” for extreme reflector performance to emit maximum output of 1800 lumens and beam distance up to 187 meters. The HC33 has a flood lighting system which produces a wide 100°beam angle. The HC33 can be used with headband for 180°adjustment. Simple to be operated, the HC33 has a single switch that controls 5 brightness levels and 3 special modes. With integrated Advanced Temperature Regulation module, the HC33 regulates its output and adapts to the ambient environment while maintaining optimal performance. The HC33 is constructed from aero grade aluminum alloy to minimize burden; HAIII military grade hard-anodized finish to cope with harsh outdoor environment. Note: Doesn't come with batteries.