1. Instructions for Use: 1. Check the Battery: Make Sure the Battery Is Charged and Installed in the Correct Direction as Torch; 2. Flashlight When Using, Choose According to the Requirements of Torch on Voltage and Battery, Do Not Use It Indiscriminately, in Case of Burning out Circuit Boards, Do Not Use Batteries of Different Models and Voltages at the Same Time; 3. In Use, When the Brightness of the Flashlight Changes Obviously, Turn off the Flashlight to Prevent the Battery from Being over-Discharged and Charging in Time. Pay Attention to the Waterproof, Moisture-Proof, Drop-Proof, Etc, when Charging, According to the Charging Speed of the Charger, after the Indicator Light Changes, Take It out in Time and Do Not Overcharge; 4. If the Battery Is Not Used for a Long Time, It Should Be Fully Filled and Maintained. Normally, It Should Be Charged and Discharged Again in about Three One Months to Avoid Chemical Corrosion; 5. The Lamp Cup Keep the Inner Wall Clean, Never Wipe It with Hands Or Hard Objects, Clear the Fingerprints on the Lens, and Gently Wipe It with a Cotton Swab Dipped in Lens Cleaner; 6. Do Not Keep the Flashlight with Sunshine for a Long Time, Contact with Water, Chemicals and Corrosive Gases to Avoid Damaging the Flashlight; 7. Do Not Disassemble the Flashlight for Non-Professionals to Prevent Damage to Circuit Board. 2. Precautions: 1. Do Not Direct the Light to the Eyes to Avoid Damage to the Eyes; 2. Do Not Use It under Excessive Pressure, the Voltage Should Not Exceed 4.2V, and Do Not Reverse the Battery, Otherwise the Circuit Board Will Be Burnt out; 3. Please Check the Positive and Negative Poles of the Charger When Charging, and Do Not Overcharge the Battery to Avoid Damaging the Service Life of the Battery (the Charging Time Is Generally 5-8 Hours) 4. When Using Torch, Check That the Threads Are Not Loose, Otherwise the Goods May Not Be Bright Slightly Light; 5. Flashlight Should Not Be Placed in Sunlight Or High Temperature Environment. Please Take out the Battery and Store It in a Cool and Dry Place after Stopping Use; 6. The Company's Flashlight Has the Ability of Life Waterproof. Generally, There Will Be No Problem in the Rain, but It Does Not Have the Diving Function. Do Not Carry This Flashlight for Diving Or Put It in the Basin Bathtub for a Long Time; 7. In Order to Keep the O-Ring (Sealing Rubber Ring) and Thread Spinning Smoothly, Please Wipe Vaseline Oil on Its Surface 2-3 Times a Year. Three, Charging Instructions: the Shortage Should Be Supplemented in Time to Avoid Affecting the Battery Life, and the Battery Should Also Be Charged during Long-term Storage.