Rabing F1 High Speed RC Boat Remote Control Electric Boat-Red (Only Works in Water)

Specification: speed: 15-20 km/h Package included: Step 2- Connect the battery with the boat and switch on the Boat. Step 3- Stand up The red wire signal receiver with the transparent tube. Step 4- filled in aa batteries into the remote controller. Step 5- Put the boat in water and start pairing up the boat with remote controller. Warm tips: put in the water Firstly, then turn on the controller when playing, the screw propeller won't turn If it was on the land.