Pure Power by Petzl - Ultra-powerful and ergonomic headlamps designed for rapid movement and endurance activities. The ULTRA BELT offers ultra-powerful, regulated lighting (350 lumens) and a wide and intense beam that will last for the entire activity. Designed for action, the ULTRA BELT is held securely on the head. The weight on the head is reduced to a minimum (230 g). This is due to its remote battery pack, which can easily be carried in a pocket or on the ULTRA harness. The ULTRA BELT is extremely reliable: in all weather conditions, with long burn-times, the power level is easily verified. Ultra high-output regulated lighting: - 350 lumens - constant lighting level, automatically switches to reserve power mode when battery pack is almost discharged - New generation power LEDs Designed for action and endurance activities: - excellent fit on the head: compact design, flexible head mount stabilizing plate and comfort foam, wide elastic headband and adjustable top strap - compact light body - rechargeable battery pack can be carried in a pocket or backpack, or on the ULTRA harness; 230 g (lamp + cable) carried on the head, for a total weight of 375g - high-output rechargeable battery pack (Lithium Ion 2000 mAh): very large capacity and excellent performance at low temperatures with Lithium Ion rechargeable battery - easy to use: choice of lighting level with intuitive dial. Reliable and durable: - lighting duration of 1h30 in maximum mode, plus 30 minutes in reserve power mode - test button for rechargeable battery with battery level indicator, - durable construction and storm resistant (IP 66) - bulb does not need to be replaced - lamp and rechargeable batteries are guaranteed for 3 years Versatile: - three lighting levels: maximum, optimum, economic, to adapt the light to the activity - light body can be tilted vertically to change light direction - attachment system allows quick removal of battery pack in order to charge it or to replace it, and to rapidly place the ACCU on the ULTRA harness, - reflective sticker for battery pack. - increased burntime with the high performance, large capacity ACCU 4