High efficiency 540 motor provides submarines with strong power. The water cooling system cools the running motor, which can reduce the loss of the motor and extends its service life. There will have warming when the boat be controlled over distance. 2.4Ghz frequency provides more accurate operation and ensure multiple boats play together without interference. The cover inside the boat to the boats accessories invisible.Looks more clear and tidy outside. Optional Color: Red, Yellow, Black. Remote Controller Battery: 4 AA Batteries (Not Included). Remote Control Distance: 200 m / 656 ft. Function: Moving Forward, Moving Backward, Turning Left, Turning Right. 47 12 13.5cm / 18.5 4.7 5.3 in. 1430 g / 50.4 oz. Instead of leaving negative/neutral feedback or opening a dispute. Our listing price includes the value of goods, packaging cost, and export. Please check with your country's. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicles & Kits\Boats & Watercraft". The seller is "coolstoreonline" and is located in this country: CN. This item can be shipped worldwide.