In general all items sold in the EU are not covered if the defect is caused by water damage. But generally speaking the electronic components on all of Voro Motors devices are sealed, from the motor to battery to head unit. Their products are water-resistant, but not water-proof and expected to be able to handle minimal water without any issues.
Do not to completely submerge your product. If you fall into a water, make sure the it is recovered quickly and allow to dry off.If caught in unexpected rain, locate shelter immediately to preserve your devices functionality.