1. 96X96MM specification 2. LED/LCD display 3. Current and Voltage Combined Meter. Name: Digital AC amp meter and Voltage Meter /dc ... AC5A, Voltage: AC100V,AC400V,OverloadingContinuance: 1.2 times, Instantaneous: current 10 times(5s), Voltage 2 times(10s)Frequency40-60Hz, class 0. ... output,Digital valueRS-485 interface, MODBUS-RTU protocol Three- phase Digital AC Amp meter and Voltage Meter / digital ...