Package includes: 1 x solar panel 1 x waterproof box 1 x tube 1 x bubble stone Specification : Materials: PET pressure solar panel and metal plastic pump Solar panel size: 27x18cm Waterproof box size: 10.5 x 10 x 4.5 cm Copper cable length: 3m Battery type: 18650 Li-on battery Battery quantity: 1pcs Battery capacity: about 1000mAh (1Pcs) Voltage: 6V Power: 5W Features: - Pressurized PET solar panel, high efficiency, drop resistance, light weight, easy to carry. - Built-in 18650 Li-on battery, the battery can be recharged in the sun. - The waterproof box of the product has hanging holes, which need to be hung and installed for outdoor use. - The waterproof case has a built-in oxygen pump and rechargeable battery, and has a On / off button for easy operation. - In cloudy weather, the oxygen pump can also work normally without affecting the power supply of the internal battery. Lithium batteries can be recharged in the presence of sunlight and work continuously for 24 hours. Note: