Features: High quality, easy to operate Keep the living aquatic products fresh and alive Stable performance, strong gas Energy saving, safe and reliable Powered by a dry battery (not included) Air Pump Size: 10.1*6.8*3.4 cm (L*W*H) Product size: 19.9*11.7 cm (L*W) Transparent tube length: 61.2 cm Package Contains: 1 x Dual Speed Air Pump 1 x Transparent Tube 1 x Air Stone