["brand new and high quality.\n\n6-digit display counters electrical contacts without voltage input comes\nDisplay: LCD \nReset: reset the panel or the terminal \nSignal input: contact or voltage \nMinimum count signal: H7EC-6 (8)-50ms (10 times / sec) \nPower Supply: Internal Power \nCount : 0 -999999 / 99999999 \nAmbient temperature: minus 10 degrees to 40 degrees C (but not freezing state) \nOperating humidity : 35-85% RH \nSize: 4.8cm(1.89in) × 4.5cm(1.77in) × 2.4cm(0.94in)\n \nFeatures: \nInternal self-powered, no external\n6 or 8 LCD display, large and clear display \nPanel on the left with a lock to prevent misuse \nYou can enter contact signal or signals count is accurate and reliable \nMaximum count rate of 60 seconds / second, 200 times / sec \nNo mechanical wear, long life alternative to electromagnetic countere\n\nNote: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid.\n Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 x Electronic Counters"]