Features forward left right reverse controls dual pressure handset buttons rechargeable lithium handset integrated handset storage soft touch ergonomic handle pause resume feature easy manual control mode lateral slope compensation rear anti tip wheel 50m range cutout 45s hibernation quikfold mechanism patented usb charging port easilocktm compatiblerange overview s1 s1 dhc s3 pro m1 pro m1 dhc m3 pro s7 remote nine speed settings bull bull bull bull bull bull bull speed