... power off memory 3. dual rows display 4. interference resistance 5. relay or transistor outpu Digital display counterFeatures1. Setup ... , R, C, L, K, Q and A;3. Power off memory;4. The meters provide DC24V power ... Double-row 4-bit, 6-bit LED digital display;10. Multiple models and dimensions: 48(W)X48 ... bits),Count range-19999 ~ 9999 (4 bits, remaining 3 bits after decimal points)-199999 ~ 999999 (6 bits ...