Powerful and versatile, the H7R Core Head Torch delivers three light beam levels for adaptable working. Low power provides 15 lumens and a 25 metre beam for up to sixty-five hours. While standard power gives 600 lumens with a 200 metre beam for up to four hours. The boost level provides 1000 lumens with a 250 metre beam for short bursts of power when you need it most. Features and Benefits Advanced focus system allows for easy and seamless focusing for beams levels in and between floodlights or spotlights Lamp head can be rotated within 130 degrees for a convenient directable light beam Flicker-free light technology prevents blinding strobe effects when working Seal-Tight technology prevents 100% of dust ingress and is watertight when immersed in between 15cm to 1m of water for up to thirty minutes Cooling technology keeps the unit from overheating during prolonged use Anti-microbial headband inhibits the growth of harmful and odour-causing bacteria Overhead headband strap keep