Features:1. Made of aluminum alloy, waterproof, strong, lightweight, durable.2. Multi -mode meets different lighting needs3. Soft rubber switch and non -slipproof handle. Easy to grasp.4. It has a very strong light beam, long distance and high degree of shine. Suitable for hunting, night fishing, cycling, camping, backpack travel, emergency situation and family maintenance.Product parameters:Colour: BlackMaterial: aluminum alloySize: About 14.8 x 3.7 x 2.7 cm/5.8 x 1.5 x 1.1 inchesCharging mode: USB chargingFirst, instructions:1. Check the battery: Make sure the battery has electricity and install it in the correct direction as a flashlight;2. When using the flashlight, choose according to the voltage and battery requirements of the flashlight. Do not use it to prevent the line boards from burning the circuit board. Different models and different voltage batteries should not be used at the same time;3. In the use, when the brightness of the flashlight has changed significantly, the flashlight should be turned off to prevent the battery power from being put on and charged in time; pay attention to the waterproof, moisture -proof, and falling anti -falling. After the indicator light changes, take it out in time, don't overwhelm it;4. The battery that is not used for a long time should be filled and maintained. It should be charged again and again at about three months to avoid chemical corrosion;5. Keep the inner wall of the lamp cup clean. You must not wipe it with your hands or hard objects. You can clearly wipe the fingerprints on the lens.6. Do not contact the flashlight with the sun, water, chemical products, and corrosive gas for a long time to avoid damaging the flashlight;7. Non -professional should not disassemble the flashlight to prevent the line board from destroying the line board.Second, precautions:1. Do not illuminate the eyes directly, so as not to cause damage to the eyes;2. Do not use it over voltage. Do not exceed 4.2V. Please do not reverse the battery, otherwise you will burn the circuit board;3. Please recognize the positive and negative pole of the charger when charging.4. When using a flashlight, check the screws at each thread tightened without loosening, otherwise it may cause the shiny goods slightly;5. The flashlight should be avoided in the sun or high temperature environment. After the stop use, please remove the battery and store it in a cool and dry place;6. The company's flashlight has waterproofing the waterproof ability. Generally, there will be no problem with rain, but there is no diving function. Do not bring this flashlight diving or put it in the basin for a long time.7. In order to keep the O-type circle (sealing rubber ring) and the thread move smoothly, please wipe Vaselin oil 2-3 times a year.Third, charging instructions:The shortcomings should be supplemented in time to avoid affecting the battery life. The battery must also be charged during the long -term storage of the battery.The packaging includes:Flashlight*1