Very bright and can form a variety of patterns, Remove the cover to change to straight light mode. Made of aviation aluminum alloy, lightweight and durable. Suitable for outdoor, Very portable, small enough to fit in your pocket, handbag. The included key allows you to lock it when you don't want to use it. Do not use the light directly at eyes, not for children. Mizivn Tactical Light with Rechargeable Battery for Outdoor Work Camping