Simple compact head lamp suitable for near-range illumination.It has a 250 lumens of brightness and a wide beam suitable for near-range illumination.Simple and compact, perfect for outdoor activities such as camping, hiking, and traveling.Hybrid concept supports both the included batteries and the "Core" rechargeable battery (sold separately).Compatible with all types of helmet and bicycle mounting accessories. 3 Illumination Levels: Weak / Medium / Strong / One button allows for quick and easy illumination level selection. / Headband can be removed and washed.