This LED flashlight by eSamcore is a fabulous little flashlight with a lot of power. This has 5 modes to it each can work by pushing the light button on once then push it again and again softly not all the way down and each mode will change, There is bright, medium and low light. This also has a fast flashng light and a strobe flashing light on it. The flach light zooms in and out for more lighting or a more precise lighting. This has a wristband to wear around your arm and is water resistant meaning do not submerge this flashlight. The flashlight has a 18650 rechargeable battery and a charger or it can be used with regular batteries. One more great thing, it has a safety hammer on the end of the flashlight to safely break your car window in an emergency.