Product features: 1. Built-in charge free of maintenance, capacity up to 1300mah, lead acid battery. 2. Ultra-long life battery, over 250 cycles of charging and discharging. 3. Adopt ultra-high brightness, concentrated light, environmental protection, long life, 3-watt LED light, low power consumption and long lighting time. 4. Select a special heat-resistant reflective cup, which has a longer range than ordinary flashlight, with more concentrated light and stronger brightness. 1. To ensure service life, please charge the battery normally once before use. 2. If the light is dim, please recharge in time. 3. Do not directly shoot the eyes, so as not to affect the vision (children should be used under the guidance of adults). 4. Do not use the switch when charging. Please put the switch in the closed state to avoid burning the power supply and internal components. 5. Please keep away from inflammable and explosive goods when charging, and the maximum charging time shall not exceed 15 hours. 1. Fully push the ac plug out when charging, and directly plug it into the ac110-220v /50HZ power socket (corresponding charging indicator will be on). The sufficient power needs about 12 hours (it is recommended to charge during the day). 2. Press the key to open when using, the first level of weak light illumination, the second level of strong light illumination, the third level of light off, and so on. 3. Sufficient electricity, weak light can be used for 10 hours continuously; Strong light can be used for 5 hours continuously. Searchlight should be charged frequently, do not use for a long time. If not used regularly, please recharge for more than 10 hours every three months, otherwise the battery life will be reduced. Quality assurance our products comply with corporate standards: Q/AYSD 002-2011. The warranty period is 3 months from the date of purchase. (products damaged or burnt due to abnormal use are not included in the warranty.)