... noise, all closed-end battery, no leakage of concerns, and low power consumption, 8-10 hour charge time, continuously run approximated ... , Museum, Airport, Shopping Center.Special functions: For people who can't tread for a long time or actions inconvenient Substitute tread ... ShelfFolding ArmrestLeather chairSolid tire-every Direction's WheelPedalSecurity Belt. Mobility electric wheelchair for elderly