The compact H5 Core Head Torch is a versatile and flexible solution for working in low lighting conditions. The unit features three lighting power levels: low power at 15 lumens, which projects a 30 metre beam for up to twenty hours. A standard power option delivers 200 lumens with a 120 metre beam for up to two hours. And finally, the boost mode provides 350 lumens with a 160 metre beam for short bursts when it's most needed. Features and Benefits Compatible with AA or rechargeable NiMH batteries for convenience Light beam can be focused to achieve the required illumination Lamp head rotates 160 degrees for a directable light beam Seal-Tight technology prevents the ingress of dust and water (can be immersed in between 15cm to 1 metre for 30 minutes without lasting damage) Integrated cooling technology prevents overheating when in use for an extended period of time, effectively prolonging the product life Anti-microbial head strap inhibits the growth of bacteria Low battery no