Digital display meter 1. ISO9001, ISO14001, CE 2. 96x96mm 72x72mm 48x48mm 96*48mm 3. Ratio adjustable 4. Manufacturer Ditial display meter -- AmmeterHigh ... easy to install Accuracy indexAll Dixsens Digital instruments accuracy index is 0.5, Digital instruments do not contain moving parts, ... mode of DB Series: Ultra bright red 4 bits LED and nixietube, 0~9999A Auxiliary Power SupplyAC220V±10%, 50 ...