Product features: 1. Built-in charge free of maintenance, capacity up to 3500mAh, lead acid battery. 2. Ultra-long life battery, over 250 cycles of charging and discharging. 3. The aluminum reflective cup has better heat dissipation and spotlight effect, and is not easy to deteriorate or scratch. 4. Ultra-high brightness can concentrate the long life of environmental protection 6WLED lights, low power consumption and long lighting time. Notes: 1. To guarantee 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. When charging, open the back cover of the product, pull out the ac power cord and plug it directly into the AC110~220V/50Hz power socket (corresponding charging indicator will be on), and the sufficient power needs about 12 hours (it is recommended to charge during the day). 2. When using, press the open key: the first step of weak light lighting; Second level of strong lighting; Third, turn off the lights, and so on. 3. Sufficient electricity and low light lighting for 20 hours; Strong lighting for 8 hours. Beat 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 company standards: Q/AYSD 001-2011. The warranty period is 3 months from the date of purchase. (products damaged or burnt due to improper use are not included in the warranty.)