Features: Through radio remote controller, it can forward, backward, submerged, floated to the surface and rotate in all directions. Submarines can also be used as home furnishings when not playing. The product has high added value and is a professional submarine model with unique collection and ornamental value. Exercise your teens's mental ability, physical coordination and exercise's hand-eye coordination. Waterproof design to prevent water from entering the hull. When the mini RC submarine touches water, it will start normally, when it leaves water, it loses power. Powerful, exquisite workmanship. DIY mini RC submarine, the best gift for teens. Specifications: Item: Mini RC Submarine Material: ABS Frequency: 2.4GHz Battery: 1* 9V Battery(not Included) Remote Control Distance: About 5-10 Meters Remote Control Battery: 4*AA Battery(not Included) Size: 305*115*65mm Package Information: Package Size: 31*24*8cm Package Weight: 765g General Box Package Packing List: 1* Mini RC Submarine 1* Remote Controller 1* Screwdriver 1* User Manual