1. Strictly prohibited to play this water bike at the area which the wind speed is more than 5 levels or in the rapid river.
2. People with hypertension or heart disease are prohibited from playing.
3. 5 to 12 year-old children should be playing with the adults, and the players must wear safety waterproof clothing.
4. The total weight of user(s) on one wheel should be under 120KGS.
5. Camera, phones and other electronic products should be put into one airtight storage bag, to avoid falling into the water or water immersion.
6. In order to avoid the return problem by physical exhaustion, the bike should not be too far away from the departure port, better within 200m.