... 220V LED display ,ouput precison :1.5% plastic panel voltage regulatorsDESCRIPTIONACR relaytype voltage regulator with LED displayMODEL NO.ACR ... Overload/ High temp./ Circuit Protection9. Coil: fully Copper10.Control Panel: PlasticREMARKS: Functions & Features1. High precision of voltage2. compact ... , communication equipments,fridge&freezer, aircondition, etc. plastic panel voltage regulators