It is extremely bright (30000 lumens) and has a long range up to 1640ft thanks to the upgraded LED adopted. It is suitable for many situations in which a flashlight is needed, such as camping, hunting, boating, searching, exploring and fishing. 3Pcs Rechargeable batteries save money to pay for endless batteries. The light can be charged both by solar powered and USB cable. Bring much convenience whether indoor or outdoor use. As long as there is the sun, you can charge the searchlight at any time. You can switch between different lighting colors by putting on the corresponding color lenses. You can switch among different lighting colors by putting on the corresponding color lenses. Extra USB output port enables you to charge your smartphone or mobile devices in emergency. IPX6 waterproof rating makes this large flashlight work well in light rain or snowy days.