Basic Info.

Product Description

1) extreme low e.s.r.:less than 0.002w; 2) auto on/off four-digit display; 3) led indicator lights; 4) electronic polarity protection circuit; 5) over-voltage protection circuit; 6) normal working temperature:minus 40¿ to 95¿; 7) mounting brackets & hardware included; 8) optional digit color: red, blue & white 9) available in: 0.5f, 1.0f, 1.5f, 2.0f, 3.0f, 4.0f