Rechargeable LED flashlight 1, Description Spec: 20.5X49mm1x5mm Nichia LED chipBlue moon lens systemTwist head on/off switch 2, Installing the Batteries Hold the aluminium head firmly in one hand and turn the stainless steel casing in a counter-ockwise direction until fully unscrewed. Move the casing away from the head of the flashlight and this will reveal the battery compartment. Place the batteries into the compartment ensuring that the end marked with plus (+) pole goes in first, pointing towards the rear of the flashlight. With the batteries correctly installed replace the casing and turn it in a clockwise direction until fully tightened. The flashlight is now ready to be charged. IMPORTANT: Please ensure that the batteries are installed correctly otherwise battery damage may occur, possibly resulting in an explosion. Only use high quality rechargeable batteries. If you do not intend to use the flashlight for a long period of time, remove the batteries to prevent them leaking and damaging the flashlight. 3, Charging the Flashlight This flashlight is designed to be use in automobiles and should be inserted into the 12V power/cigarette lighter socket. The flashlight will glow blue while charging and then go off automatically once fully charged. Full charge will then be maintained so that it is always ready for use. 4, Operating the Flashlight To switch on the flashlight you will need to remove it from the 12V socket and while holding the head of the flashlight firmly in one hand turn the stainless steel casing slowly in a counter-clockwise direction until the light comes on. To switch the flashlight off is simply the reverse; holding the head of the flashlight firmly in one hand turn the stainless steel casing slowly in a clockwise direction until the light goes out and the casing is fully tightened. 5, Warning 1, The light from this flashlight is very powerful and should not be shone directly into anyone's eyes, as this may cause short term blindness. If the beam does shine in your eyes, close them and look away immediately. 2, In the case of commercial use, the user of the flashlight should only use this product in accordance with any local laws and regulations. 6, More pictures can show you the details