Car ratio 1:16 Remote control distance: 40 meters Charging time: 30mins Use time: 20 minutes or so Remote control car battery: 3.7V 320mAh (included) Remote control battery: 2 AA batteries (not included) Product size: 34*14*9cm 12.4GHz transmitter, you'll never get any radio interference with this RC boat. Be made of resin material, simulates the shark and looks more realistic. 2 2-channel operation of moving forward and backward, turn left and right, simulating the movement of the real shark, freely flows in the water. The simulated shark RC boat helps prevent geese and other waterfowl away from the pond. Effectively drive away waterfowl and protect the pool. 3 Low voltage protection, when the voltage is too low, the speed will drop by 40% automatically, reminding consumers to recall the remote control boat. 4 Only the inductive paddle shaft sense the water fluid can turn on the power quickly. Adopt balanced double propeller, making the speedboat sail more smoothly and without fear of overturning. 5 Good waterproof performance, the charging port is equipped with a waterproof rubber, and the bottom of the boat is fully enclosed and waterproof.Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1-2cm differs due to manual measurement.1* Remote control Shark 1* Remote control 1*Usb charging 2* Spare propeller 1* Screwdriver 1* English manual