Features: The size is smaller than others. The handle is be adjusted and is suitable for indoor and outdoor activities. This bubble blower can work from battery or plug. We have improved the machine, it is much quieter than others, just in for case you want to use this bubble machine indoor or some quiet occasion. Just press the button and it will instantly blast rich bubbles without stop. Bubble machines for indoor and outdoor party: family party, weddings, birthdays,picnics, holiday parties, proms, stage effects etc. Colorful bubbles are perfect for these wonderful moments of life. Specifications: Material:ABS Size:Approx.15x20.6x12.4cm/5.91x8.11x4.88in Color:Gray/Blue Type:Plug in/Battery Battery Type:Powered by 7 AA Batteries(Not Included) Plug in Type:Powered by 3.7v 500 mAh Modular Battery Package Includes: 1x Automatic Bubble Machine note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! The bubble liquid is not included.