100 brand new and high quality<br> <br> Features:<br> Five large-screen LCD screen display, large and clear.<br> Use the common AA batteries, without external power supply, and the replacement of the battery is convenient.<br> Press the PAUSE button to pause/count, press the PAUSE button again, and resume counting.<br> The input adopts the common contact signal. The selection of the sensor is simple and convenient, and the counting is accurate and reliable.<br> Maximum counting speed: 4 times/second.<br> Resetable zero: panel/external dual purpose.<br> Seismic design effectively prevents data loss.<br> No mechanical abrasion, reliable work, long service life.<br> <br> Specification:<br> Power: 1.5V AA battery <br> Resetable zero mode: panel/external<br> Counting range: 0~99999 <br> Resetable zero minimum pulse width: 0.1 second<br> Counting highest frequency: 4HZ <br> Operating temperature: -5~+40 C<br> Counting minimum pulse width: 50mS<br> Contact maximum resistance: 1K Ohm<br> Contact disconnection minimum resistance: 500K Ohm<br> Dimensions: 63x37x30mm/2.48x1.46x1.18inch, wire length: 110cm<br> Color: White&black<br> Quantity: 1 Set<br> Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.<br> 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!<br> <br> Package includes:<br> 1 x LCD Display Digital Electronic Punch Counter (without battery)<br> 2 x Microswitch