The Petzl E+Lite II Headlamp. Ultra-light and very compact, the e+LITE emergency headlamp should always be with you. Thanks to its carry case, it is always ready to use and can be stored with its batteries for ten years in a backpack, a vest, or an emergency kit, or used as a back-up headlamp. Its white or red, continuous 50-lumen lighting or strobe lighting helps you to be seen. The whistle integrated in the elastic headband allows the user to signal an emergency. Weighing only 26 grams, e+LITE is an ideal emergency headlamp. Petzl E+Lite II Headlamp Features Ultra-compact and ultra-light emergency headlamp to always have with you  Always ready to use, can be stored with batteries (lithium CR 2032) for 10 years  White lighting allows you to move around easily in the dark  For emergency situations, the powerful red LED allows you to be seen from a distance  Locking on/off switch designed to prevent accidental operation  Withstands extreme temperatures: -30° C to +60° C  Waterproof to -1 meter for 30 minutes (IPX7) Petzl E+Lite II Headlamp Specifications   Light output: 50 lumens Weight: 26 g Beam pattern: wide Energy: 2 lithium CR2032 batteries (included) Watertightness: IPX7 (waterproof to -1 meter for 30 minutes) Certification(s): CE