Model KT-788 Light bulb 26*0.3W LED warm yellow light Product size/net weight 10*10*5CM 173G Box size/gross weight 11*11*5.6CM 210G Material ABS Switch Press the switch Battery Built-in 2*2000mAh 18650 batteries (4000mAh) Charging method Type-C USB charging Gear position 3 modes: strong light - medium light - weak light. Press and hold at any mode to turn off. Hold for 5-8 seconds at any mode and press again to turn off Zoom mode None Waterproof rating IPX4 Lumen/Range 200-300LM 50M Features With magnets, can be hung or placed Indicator light 4 blue LED power indicators: 25%-50%-75%-100%. The LED flashes blue when charging and stays solid blue when fully charged Color Off-white, black The package contains Camping lamp + USB data cable + color box 100PCS 55.5*46*29CM 21.4KG 1. Instructions for use: 1. Check the battery: Ensure the battery has power and is installed in the correct direction in the flashlight 2. When using a flashlight, choose the battery according to the flashlight's voltage and battery requirements. Do not use the wrong battery to avoid damaging the circuit board. Do not use batteries of different models and voltages simultaneously 3. During use, when the brightness of the flashlight changes significantly, turn off the flashlight to prevent over-discharging of the battery and recharge it promptly. Pay attention to the battery's waterproof, moisture-proof, and drop-proof features. When charging, according to the charger's charging speed, remove the battery in time after the indicator light changes, and do not overcharge 4. Batteries that are not used for a long time should be fully charged and kept in that state. It is recommended to recharge and discharge them again approximately every three months to avoid chemical corrosion 5. Keep the inner wall of the lamp cup clean; absolutely do not wipe it with your hands or hard objects. To remove fingerprints from the lens, use a cotton swab dipped in lens cleaner and gently wipe it 6. Do not expose the flashlight to sunlight, water, chemicals, or corrosive gases for extended periods to avoid damage to the flashlight 7. Non-professionals should not disassemble the flashlight to avoid damaging the circuit board. 2. Precautions: 1. Do not shine light directly into the eyes to avoid causing damage to them 2. Please do not use it with excessive voltage; the voltage should not exceed 4.2V. Do not place the battery in reverse, otherwise the circuit board will be damaged 3. When charging, please pay attention to the positive and negative poles of the charger and avoid overcharging or over-discharging the battery to prevent damage to its lifespan (charging time is generally 5-8 hours) 4. When using the flashlight, check that all the screws are tightly tightened and not loose, otherwise it may result in the flashlight not lighting up or only lighting up dimly 5. The flashlight should be kept away from sunlight or high-temperature environments. After stopping use, please remove the battery, charge it fully, and store it in a cool, dry place 6. The company's flashlight has the ability to withstand water splashes in daily life and generally won't have any issues when exposed to rain, but it does not have the capability to be submerged in water. Please do not use this flashlight for diving or leave it in a basin or bathtub for extended periods of time 7. To maintain the smooth rotation of the O-ring (sealing rubber ring) and threads, please apply petroleum jelly oil or similar substance to its surface 2-3 times a year. 3. Charging instructions: Shortages should be replenished promptly, so as to To avoid affecting battery life, the battery should be charged even when it is stored for a long period of time.