Counter Meter 1)Small size digital LED display 2)6 digit counter 2)range: -1999 to 9999 ... following features: 1) 4 digit (CX2),6 digit (CX3,CX8) LED display;2) Counting range: -1999 to 9999 (4 digit), -199999 ... 59M (6 digit);4) 2 counting / timing modes (Up or Down), 4 input / output modes, 4 counting speed, 4 timing units ... changed in the menu;6) With key lock function and power down memory function.