Lightweight, waterproof and portable. Silicone outer shell absorbs impacts and protect you from hurt. One Cree Q5LED light (100%, 75%, 50%), 3* 5mm white LED light (1, 2 or 3 on) and 2*3mm red LED light (on/flash) in front, 2*3mm red LED light in battery pack holder. Light angle adjustable up to 90° and adjustable head strap. Come with two brightness mode adjustment buttons for easy contol. Powered by 3 × AA rechargeable battery (included). Come with a 100-240V flat plug charger. Specially designed light for trekking, speleologists and camping. Luminous flux: 220 lumens Illuminating distance: 70m. LED life span: 50000 hours.