Propeller1-3pcs optional (unit cost would be different)Propeller VoltageDC 24VPropeller InstallationScrew typeBattery cover installationSubmarine cover type, self-locking systemLithium battery2.2AH/1 Propeller; 4.4AH/2 Propellers; 6.6AH/3 PropellersAdaptorDC 26V/2ACharging Time1-3 HoursSpeed5-10 KM/HourWorking Miles1 hour (the miles can be adjusted by adding or minus the batteries)
Waterproof
IP68Water surfing
Feature:
1) Smart body sensor system, very helpful for swimming learing.
2)Nice looking, strong power motor, multiple choice.