Features: High speed counter measurement, accurate count, small indication error. Combined with secondary instrument, it can be digital display instrument. 6 digit electromagnetic counters which is used to record the cumulative number of electric pulse signals. It will generate attractive power in the electromagnet after the electrical signal input to the counter. Widely used in petroleum, chemical, textile, machinery, mining, defense, agriculture, food, printing and other industries of all kinds of electric pulse count. Specifications: Material: Anti-flame Plastic Size: 71x31mm/2.79x1.22in ount Range: 0~999999 Voltage & Power: #01 AC 220V Count Speed: for DC 20 times per second, AC 10 times per second Indication Error: < 1x 0.00001 Environment Temperature: - 20 ~ 50 Relative Temperature: 85% Installation Method: panel Reset Mode: Pressing type (with lock) Package Includes: 1X Electromagnetic Counter note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.