Electronic Counter, DROK LCD Digital Tally Counter 0-99999 Forward People Door Counter Panel 5 Digits Shockproof Retail Traffic Punch Tester Totalizer Gauge Magnetic Induction Switch DROK electronic counter counting range is 0-99999; highest counting frequency is 20HZ; highest counting speed is 20/s. The digital people counter is powered by AA 1.5V battery, convenient to change the battery. Normal contact point signal to input, easy to choose sensor and counting is accurate and reliable. Our door counter gauge is designed with five digits large-screen LCD display, magnetic induction switch. The retail traffic tester is with seismic design, anti-shock, can effectively prevent data loss, has long service life.