Item Type: Solar Aquarium Air Pump OxygenatorProduct Material: ABSBattery Type: Built in Lithium Battery (Shipped with Built in Lithium Battery)Battery Model: 18650Battery Capacity: 2200 MAhSize: Approx. 15.5x14.2x4.2cm / 6.1x5.6x1.7inGross Weight: 507g/1.1lb 1VERSATILE MODES: Solar air pump for fish pond offers three modes: strong bubble, soft bubble, and cycle mode, to meet various needs. With a mini 0.8L/min flow rate and two air flow outlets, it ensures even and pervasive air distribution. 2SOLAR POWERED: Powered by solar energy, our solar pond aerator for outdoor ponds is wire free and eco friendly. Its 180 degree adjustable solar panel design allows for easy adjustment to the best angle for maximum solar energy absorption. 3LONG BATTERY LIFE: Built in 2200mA rechargeable battery, our solar aerator for ponds can work up to 48 hours once fully charged. This means it can run continuously on sunny days. Note: The solar panel should be completely exposed to the sun. 4PORTABLE AND CONVENIENT: No wires, small size, and light weight, our solar pond aerator widely used in fish tanks, aquariums, hydroponic plants, fishing in the wild. In summer, it helps restore oxygen levels in stock tank, keeping fish active and pond clean. 5LOW NOISE: Our solar aerator for ponds outdoor operates at a low 50db noise level and should not be exposed to rain or soaked in water. It's a great gift for fishing enthusiasts, friends, family, and parents.All data are measured manually, and there are certain errors in the measurement results.1 x Solar Panel2 x Air Bubble Stone1 x One for Two Air Hose Holder1 x Hose2 x Bracket2 x Expansion Screw2 x Expansion Tube1 x English Manual