Bionic design is alive Spiral driveWater spray functionAway from the water power off protection Automatic power off from water There are two water-sensing contacts on the bottom of the whale. Only when the whale is placed in the water, it can be activated and paired to prevent you from being hurt by the motor running at high speed. Assemble the combined structure The body is free to disassemble,exercise children's hands. Waterproof Wireless remote control Waterproof design effectively prevents water from entering the interior.Remote control 40/27MHZ different frequecies togeter will not interfere. Simulation model blue Simulation model gray Cartoon model golden Cartoon model blue Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 2.9 out of 5 stars 13 2.9 out of 5 stars 13 2.9 out of 5 stars 13 2.9 out of 5 stars 13 Price $29.99$29.99 $20.99$20.99 $20.99$20.99 — no data Remote control frequency 27MHZ 40MHZ 40MHZ 27MHZ Section that can play together Simulation model gray/ Cartoon model golden Simulation model blue/ Cartoon model blue Simulation model blue/ Cartoon model blue Simulation model gray/ Cartoon model golden Convenient direct-charge charging system The battery of the remote control whale is not removable.Remove the remote control battery when not in use to ensure the battery will not be over discharged to maintain long term use.Before the remote control needs to be used inside the water, please tighten the screws of the battery cover.Before first use, it is recommended that the remote control whale be fully charged.