1. High efficiency : braking torque ranges from 900newton metres to 2200n.M(for example 900n.M, 1200n.M, 1500n.M, 1700n.M, 1900n.M, 2200n.M) adaptable for variety of wehicles, bus, van, and automobiles. 2. Low power consumption. A. Working voltage: 24v B. Working current: 70amper~ 120amper 3.Application: fit the weight ranges from 6 tons~26 tons for bus, vehicles. 4. Save cost: lower the possibility of the wear and tear of braking system. 5. Long life: made of imported original japan materials, which slight the heat deforming of the two rotor turntables, so the moment declining along with heat declining is light, which can work a long time. 6. Compact structure and flexible installation in gearbox or rear axle. 7. Digital controlling system ensures driving safety and stability. It will be much safer to drive. Various size & weight& dimension is available