Display...............................4 Digit (9999) 0.8" (20.3mm) Red LED 6 Digit (999999) 0.56" (14.2mm) Red LED 7 Digit (9999999) 0.4" (10.1mm) Red LED Over input indication................................................................... "1" Operating temp. ................................................................. 0~60℃ Storage temp. ................................................................. -10~70℃ Max. relative humidity ............................................................. 95% Aux. power ..................................................... DC 12V, 24V±20% AC 90~260V 50/60 Hz (option) Buad-rate .................................................................................9600 Power consumption ........................................ AC 3.5VA, DC 3W Weight (about) ....................................................................... 200g