SIZE:96*96,96*48,48*48,72*72 Power supply:AC 220V We are the manufacturer in Wenzhou of China and specialize in producing electrical meters and temperature controller. Our products include single-phase and three-phase digital voltmeters, digital ammeters, frequency meter, power meter, power factor meter,phase meter,digital temperature controller,panel meter, industrial indicator,multifunctional power instrument, combined meter, meter with RS485 and so on... digital temperature controllers Contact: Juliana Chu MSN:juliana@cnaob.com Add: Chanxi industrial zone, Northbaixiang, Yueqing, Wenzhou, Zhejiang,China 325603