... without closing and opening input, which will keep the motor in normal temperature. The lubricant will not be frozen ... , also protects operator.Specifications1) Power: AC 220±10%,50/60HZ, Max.0.5A2) AC Motor: 70W concreted decelerating torque motor3) Controller ... : Intel 80C51 MCU, 40 MHz,controlled silicon motor control4) Spring: ...