Perfect for emergencies? It can be powered by solar or manual energy, built-in rechargeable battery, no need to replace the battery to work. Durable and wear-resistant? The LED flashlight is small and light and can be attached to a backpack with a clip. Outdoor product? Ideal for daily, emergency and outdoor lighting. It is also a great survival hiking equipment! Size? 125x45mm,. Mini flashlights are the best gifts for outdoor or home emergency kits. Note: The data are all manually measured, please allow an error of 1-3cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.