Description of Petzl e+Lite Headlamp Emergency headlamp Total dependability for years in all conditions Features: Resistant to extreme temperatures : -30 °C to +60°C (-22°F to +140°F). Always ready for use with a shelf life of up to 10 years. Waterproof down to -1 m. Sold with its own protective carrying case. Can be used in potentially explosive atmospheres (see certification specifications). Compact and ultra-light (27 g) - always carry it with you. Designed to prevent accidental operation : switch can be locked. Plenty of light for common tasks : shines up to 19 m. Can shine up to 4 nights in a row (45 hours). Easy to operate. Strobe mode. Can be worn on the head, around wrist or neck or can be attached to thin-edged articles with integrated clip. Light source can be oriented 360°. Red light helps preserve night vision. 10 year guarantee.