The Olight Oclip has Dual Light Sources: White light (max 300 lm) for daily use and red light (max 4 lm) for night vision. The beacon mode in white light and the red strobe mode ensure that users stay visible in critical moments. FeaturesSmall & Versatile to Carry: Lightweight and compact light with a versatile clip enables users to clip, hang, or magnetically attach the light to metal objects. (Only 1.91 in in length and 1.06 oz (Cu: 2.26 oz) in weight including battery)Versatile Ways to Use: Oclip is a handy tool for outdoor or indoor use, maintenance, cycling, reading, safety warnings, etc, providing the perfect lighting solution for all your needs.Durable Clip: The durable clip has passed 10,000 cyclic tests and can clamp objects up to 14mm thick. Say goodbye to metal fatigue and deformation of traditional back clips.