... ~240V dimension:96(H)x96(W)x90(D)mm Digital Sigle-phase Current Voltage Meter Performance feature High-precision ... apparent power Provide digital display, supports LCD show, query local dataProgrammable current and voltage change ratio Supports RS-485 communication, Modbus-RTU ... 270V,AC220V,AC380V,AC100V,DC48V,DC24V<4VA1-way RS-485 communication, Modbus-RTU protocol Baud Rate 1200~9600bps,default 2400 ...