Warning: Do not use in saltwater. Saltwater damage is not covered by warranty !! This advanced version is not only Overall Powerful but it can Anti-Capsize. .Design: The motor bracket and shaft bracket of traditional model boat are installed separately, and professional adhesive bonding is required during installation, which is difficult for non-professionals to complete. However, this product uses an integral power system assembly, and the whole ship power system is only completed by four hexagon screws. The installation efficiency and precision are superior to the traditional mode. The Angle of the shaft bracket can be adjusted up and down by 30o, which is suitable for the hull driving on various water surfaces Simply Maintenance: The motor is connected with the soft shaft by square connector, easy and practical. Spindle sleeve can be disassembled and replaced quickly, which can save precious time for the competition and also provide a convenient way for ship model maintenance. The RC boat is designed a anti-overturn function, to to avoid the ship model accidentally overturned .Notice: First of all, before launching the model ship, it is necessary to check whether the screws in each part are locked and ensure that they are not loose, and check whether the transmission system maintains sufficient lubricating oil. Check whether the cooling water pipe is unblocked. When debugging remote control and testing electronic equipment, motor idling should not exceed 10 seconds. After the model ship is launched, it should be observed closely whether there is water discharge at the outlet on the side of the ship. If there is water discharge, the cooling system is normal. The next step is to fly your boat with the waves. Conversely, if there is no drainage, the cooling system needs to be checked immediately. After the ship model is used, please clear the water in the hold timely to ensure the interior is dry, so as to avoid damage to electronic equipment. Focus on cleaning the water in the transmission...