HeroBeam® LED Head Torch - Best Pocket-Sized Headlamp for Running, Dog Walking, Fishing, Biking, Camping, Watching Nature, Reading, Cycling or DIY - White/Red Lighting Modes - Lightweight, Comfortable and Weatherproof - includes DURACELL Batteries - 5 YEAR WARRANTY
Their header says it all and so many 5 star reviews and less than £20 -
Amazon