It is used 24V DC,which have no limit of working.It also could assemble adjustable localizer.The location could adjust and very precise.The break parking inside could prevent sliding when over-weight.One can choose single export torque or double expotr torque.Export system have drive compensator,which used in different plane,The mechnism could set on 25mm head rail directly and use tranformer+receiver together on control system.It is easy for setting and operating