... Specialized in Panel Meter(Analog Panel Meter, Ammeter, Voltage meter,Pointer Panel Meter), 40*40MM,55*48MM voltmeter are applicable to voltage stabilizer,voltage ... is the picture for the point type meter to take place of digital AC VOLTAGE meter the same hole installationg and point ... type meter( you can see it though searching D50-20 in this website to know this prodcut) p ...