Lifesystems Intensity 155 Head Torch is a versatile water-resistant head lamp that is powered from just one AA battery. This small yet powerful head torch features an adjustable beam angle (17m-62m) that can be used over a long distance. It has 7 lighting modes in all, including SOS flashing mode. The Intensity 155 Head Torch is equipped with a strong elasticated and fully-adjustable head band and is recommended by the Duke of Edinburgh Award Scheme. It comes with an AA battery with up to 35 hours battery life Key Features & Benefits Lightweight head torch that runs off one AA battery (included) Up to 155 lumens brightness 17-62 metres adjustable beam CREE XPG3 S2 white LED & 2 x 5mm red LEDs Seven lighting modes including flashing SOS mode IPX6 water-resistant body Up to 35 hours battery life Weight: 72g Recommended by the Duke of Edinburgh Award Scheme Size: One Size