... LED display(new design)·Single Phase, Servo type voltage stabilizers ·Adopting the double sampling, double stabilizing voltage, and the ... .Stable voltage,wide range of regulation.4.Strict design,accurate assemblage.Usage area:computer,lighting equipments,TV ... ,fridge&freezer,aircondition,PABX,house electrical and electronics appliances etc. High precision voltage regulator with LED display(new design)