Product features: 1. Solar-energy for power generation. 2. Lightweight size, convenient to carry. Mini flashlight uses solar power for outdoor lighting and electronic gifts Working principle: Charge its built-in storage battery, the storage power then be used for lighting Product functions: Solar energy for power generation and storage Lighting Cautions: The solar panel must be exposed to the sun when charging, otherwise it will reduce the charging effect Main technical parameters: Max. luminous flux 4 Lm Max. brightness 30000 Mcd Lighting time after 5 hours direct sunlight >1 Hour LED lifetime 50000 Hour Switch lifetime 5000 Time The whole unit lifetime 5 Year Plastic part lifetime 5 Year