Welcome to our store. The following is a detailed description of the product Package content Size: 1 1x headlamp Size: 2 1x headlamp; 2 18650 batteries 1 EU/US/AU/UK; (We will match the correct charger according to your country. ) 1 USB cable 1x car charger 1x With/without a box Note: 1. Check the battery: Make sure the battery is loaded in the right direction and use a flashlight. 2. When using flashlights, choose flashlights according to voltage and battery requirements, and do not misplace them to prevent scalding the circuit board. Batteries of different models and voltages should not be used at the same time. 3. In use, when the brightness of the flashlight changes significantly, turn off the flashlight to prevent excessive discharge of the battery and charge it in time; Please pay attention to the waterproof, moisture-proof and fall-proof of the battery. The charging speed of the charging charger shall be removed in time after the lamp rotates, and do not overshoot. 4. Do not use the battery for a long time. The battery should be fully charged and kept normal for about three months, then charged and discharged for a long time to avoid chemical corrosion. 5. The inner wall of the lamp cup should be kept clean. Never use hands or hard objects to clean it. The fingerprints on the lens should be clear. Use cotton swabs dipped in lens cleaner to wipe it gently. 6. Whether the flashlight is exposed to sunlight, water, chemicals and corrosive gases for a long time. To avoid damaging the flashlight; 7. Non-professionals should not disassemble the flashlight to avoid damaging the circuit board. pay attention to 1. You can't look straight into the light to avoid hurting your eyes. 2. Do not use overvoltage, the voltage should not exceed 4.2V, and the battery should not be inverted, otherwise the circuit board will burn out. 3. The charging depends on the positive and negative of the charger. Do not overcharge and overdischarge, so as not to damage the battery life (charging time is usually 5-8 hours) 4. When using a flashlight, check whether the fastening thread is loose or not, otherwise it may cause dim light not to shine on the articles; 5. Flashlight should be kept away from sunlight or high temperature places, stop using, take out the fully charged battery and store it in a cool and dry place; 6. Our company has a waterproof flashlight for life. Rain is generally not a problem, but it does not have diving ability. Do not carry this flashlight for diving or put it in washbasin or bathtub for a long time. 7. In order to keep the O-ring (sealing gasket) and thread moving smoothly, please wipe vaseline oil on its surface 2-3 times a year. Charging instructions Low-charge batteries should be added to avoid affecting battery life, and batteries can also be charged during long-term battery charging. Specifications Rechargeable headlamps: Led headlamp Light emitting diode model: 3 X CREE XML-T6 Waterproof design Each headlamp is equipped with an adjustable base that tilts back and forth. The internal wiring adopts high-efficiency boosting circuit with wide working voltage, which can make maximum use of the battery. One-key switch: press the key 3 times and there are 3 blinking modes. (See photo display. ) Required Battery Model: 2x 18650 3.7v Color: Gold and Red Dimensions: 83 x 37 x 58mm mm Weight: 225 grams