Features 1、2.4 GHZ remote control, remote control distance is longer, will not be disturbed, resin simulation fin shape, shape realistic. 2、Forward, backward, left‑to‑right four‑channel operation mimics the speed and movement of a real one, and moves freely through the water. 3、Low voltage protection, when the voltage is too low, the speed will automatically drop 40%, remind consumers to remember. 4、The rotor shaft of the sensor is in contact with the surface of the water, and the power can be switched on quickly after the liquid is detected. At the same time, the balanced twin propellers are used to make the sail smoother without worrying about the pitch. 5、Good waterproof performance, the bottom of the container is designed with a waterproof cover, easy to remove and replace the battery, also easy to use. 6、Frequency transmission unlock. When the fin boat loses the signal beyond the remote control range, you can choose the closest position to reset the fin boat remote control. Condition: 100% Brand New Item Type: Remote Control Boat Toy Number Of Channels: 4 Channels Color: Blue Material: Abs+ Electronic Components Remote Control Distance: About 40 Meters Battery Life: 20 Minutes Charging Time: 30 Minutes Hull Battery: 3.7v 300mah Lithium Battery (built-in) Remote Control Battery: 2xAAA, 1.5v Battery (purchased Separately) Product Size: Approx. 34 x14 x 9cm/13.4x5.5x3.5in Age: ＞6 Years Old Function: 2.4G Remote Control 4 Way Waterproof (waterproof Protection) Forward/backward, Left, Right, Three Speed. Package List 1 Set of Remote Control Boat 1x Remote Control 1x 3.7V 300mah Lithium battery (built-in) 1 x Screwdriver 1 x Manual 2 x Tail Blade 1 xUsb Charger