If you have other product needs, please contact us~Thank youInformation :Lamp beads: LED+COB[Charging Method]: USB charging[Waterproof]: Life waterproof[Input Voltage](V): 3.7V[Material]: ABS ABS[Lighting Modes]: Strong light-strobe-side flood light[Battery operating time]: 4-6 hours[Battery]: Built in 18650 1200mah Li-ion battery[Size]: Length 16.8 cm Width 6.8 cmFeatures:Hook design: The flashlight comes with a hook design, which can be easily hung on tents or other supports3 Modes: Hight Light-Strobe-COB Hight Light. Suitable brightness can be selected according to needsPortable: The flashlight is made of ABS material, which is easy to carry, lightweight, and easy to use at any time.Multifunctional design: can be used as a handheld flashlight or as a camping light.suitable for various scenarios such as outdoor exploration, hiking, night fishing, and is an essential lighting tool for outdoor activities.Waterproof design: Seal the body, use silicone waterproof ring, available in rainy days,(cannot put in water)Battery information:Battery model: 18650Current: 0.5AVoltage: 3.7VPower: 4WCapacity: 1200mahRegarding maintenance:1. Please do not stay away from high temperature, humidity, and avoid external collision and compression2. If stored for a long time without use, it should be kept in a 50% -60% state of charge. It should be recharged every month and fully charged and discharged every three months.three