Feature: The product features a 6-bit LCD display for clear readings. The panel includes a count lock function to prevent accidental operation. It accurately and reliably inputs contact signals with a maximum counting speed of 200 times per second. With no mechanical wear, it offers long service life and serves as a reliable alternative to electromagnetic counters. The standard panel size of 48x24 mm allows for easy installation.Specification: Model: H7EC-BLM Power supply: Internal power supply Type: Lithium-ion battery Battery model: CR2 Voltage: 3.0V Capacity: 800mAh Battery life: 5 years Counting range: 0-999999 Minimum count signal: 3V-5ms (10 seconds); 3V-2.5ms (200 times/sec) Reset method: Panel button reset (6 digits) Operating ambient temperature: -10C to 60C Ambient humidity: 35% to 85% RH Opening size: 22.5x45 mm Contact maximum resistance: 10k (count ON) Contact disconnection minimum resistance: 500k (count OFF) Package list: 1 x Counter Note: Actual product color may vary slightly from the image due to lighting conditions. Slight measurement deviations may occur.