... on. It is the best choice for the outdoor enthusiasts4,High Power Adjustable zoom Use Instructions1,Press switch for turning light on ... period.3. Warning: Please do not irradiate it to human eyes, especially for Children ,or else, it may cause temporary blindness ... Light,Tap Light,Clip light,Tactical Flashlight,High End Flashlight and so on.For High Power LED Flashlight (1W,3W,5W or above ...