Muzeli X3 Aviation Self Balancing Electric Unicycle Smart Scooter Personal Transoprter Green Only 11 kg, light weight, small design;15 degrees climbing, 0 degrees of corner. Water proof IP54, High Technology,Self Balancing Unicycle.Environmentally Friendly Design With durable Samsung Battery the speed is up to 20KM/H,4 grid battery indicator25%-50%-75%-100% It is easy to learn,you just need to spend about one hours then you can drive,and make more practice,you will feel it is a great and useful transportation.You can take it into your office,your classroom,as well as bus,subway.and even you can take it into the truck. Users can control the vehicle to go forward, accelerate, decelerate, brake or others, by inclining forward or leaning backwards. The left and right balance is similar to the technique of riding a bicycle - achieved through slightly slanting left or right.