... and low noisy operation. It is twenty times speed over manual cleaning, and there is no secondary ... And this car armed with a failure alarm, mileage, speed, battery capacity, left and right steering, brake system ... 500×2,100Axle distance2,040mmWheel distance1,210mm/1,300mmStepless speed changeRubbish volume0.88m3Rubbish weight400kgDropping rubbishHydraulic auto dischargingRubbish transportationauto ...