The NightSearcher HT800 is a super-bright LED head torch with an ingenious automatic dimming feature. Featuring a built-in distance sensor, the HT800 automatically adjusts the beam type from spot to flood beam according to your surroundings.The HT800 (previously known as HeadStar Pro) uses advanced reactive distance sensors, to automatically adjusts from an 550 metre long distance spot beam down to a flood beam for close up object detection. Powered by 4x AA Alkaline batteries (supplied), the HT800 offers superious runtimes of up to 50 hours on warm, side-lights mode. A built-in memory function remembers the previously selected light mode and beam when it's turned off. With rear-facing red, blue or green rear lights, the LED head torch is designed to improve your safety and situational awareness.