LCD Punch Counter Digital 5 Digit Proximity Switch and Strong Magnetic New

Feature 5 digit large lcd screen , display of large and clear Use the common aa batteries, without external power supply, and the replacement of the battery is convenient Press the pause key, can pause / count, then press the pause key, and restoring counting Input using ordinary contact signal, selecting the sensor is simple and convenient, accurate and reliable count Counting speed: 20 times / sec Resetable zero: panel / external dual use Seismic design, effectively prevent data loss No mechanical abrasion, reliable work, long service life Specification Power: 1.5v AA cell(battery not include) Count range: 0----99999 Reset minimum pulse width?0.1s Count the highest frequency: 20hz Use environment temperature: - 5c--40 °c Count the minimum pulse width: 10ms Size: 64 x 38 x 38 mm Hole size: 61 x 36 mm Contact on maximum resistance: ?10k? Open contact minimum resistance: ?500k? Package include 1 x Digital 5 Digit LCD Punch Counter 1 x Counter bracket 1 x proximity switch 1 x switch bracket 1 x strong magnet