Description of Petzl Signal Blinking Safety Light Versatile blinking red safety light. No mountain stands a chance against these bad boys. Multidirectional performance safety light ensures you are seen: Can be used in blinking and constant lighting modes Visible for 1000 m 180° visibility Lasts 120 h in blinking mode and 40 h in constant lighting mode Reliable: Resists extreme temperatures: - 30 °C to + 60 °C (-22° F to +140°) Durable : LED technology Waterproof down to - 1 m Multi-purpose and easy-to-use Features: Compact and lightweight : 22 g including batteries Integrated clip and adjustable strap included Numerous attachment possibilities: on the head, on a helmet, around the arm, on a pack, etc. Simple to use switch Stable regardless of attachment method Clip and tabs on the attachment plate Certification: CE 2 lithium CR2032 batteries (included) Waterproof down to - 1 m Weight: 22 g including batteries Two lighting modes: blinking and constant Integrated clip, removable and adjustable elastic strap included 3-year guarantee