Display of Actuator The actuator has a unique display, its large screen and background light enable the user see the valve location, torque and fault clearly froma distance and various lighting conditions. And include the green and red color thesetwo LED valve location indicator light. Display of Actuator The actuator needing the local and remote valve position indications at any time, even when the 68.8 power supply is turned off. Actuator installs a battery, so as to continuously keep and update the valve position indication when the power supply is turned off. The power supply also sup-ports the data record and debugging while turn-ing off the power supply.