Product Name: 22mm Square Digital Ammeter Model NO.: AD22-SA Customized: Non-Customized Power Source: AC Theory: Electronic Meter Usage: Meter for Industry and Home Use Display: Digital Installation: General Installation Meter Cutout Diameter: ?22mm Measuring Range: 0-100A Rated Voltage: AC 50-256V Frequency: 50/60Hz Color: Red, Green, Blue, Yellow, White Trademark: TOSUNlux Transport Package: Export Standard Specification: multi colors available Origin: Wenzhou, Zhejiang Product Description SPECIFICATIonTypeModelMeasuring RangeColorAmmeterAD22-RA0-100A(rated voltage: AC50-265V)red, green, yellow, blue, whiteAD22-SAAD22-RA-1VoltmeterAD22-RVAC50-500Vred, green, yellow, blue, whiteAD22-SVAC50-500VAD22-RV-1AC50-500V / DC5-110VFrequency MeterAD22-RF0-99Hz(rated voltage: AC50-265V)red, green, yellow, blue, whiteAD22-SFAD22-RF-1Amp & Volt MeterAD22-RAVAC50-500V 0-100Ared, green, yellow, blue, whiteWHY US? 1. 24 years' experience. TOSUN Electric has been in the field since 1994. 2. Reasonable price and good source of raw material. 3. A group of professional inspectors monitor quality. 4. TUV, SEMKO, CE, CB, ROHS Approval for products. 5. Unique design for packing.