Feature: The product is displayed by 6-bit LCD, and the reading is clearer. The panel can set count locking to prevent misoperation. This product counts accurately and reliably. The maximum counting speed can reach 200 times per second, no mechanical wear, long life, instead of electromagnetic counter. 48*24 standard panel size, easy to install. Specification: Model: H7EC-BVLM Input voltage: AC 110-220V; DC 6-30V(Optional) Battery type: Lithium-ion battery Model of battery: CR2 Voltage of battery: 3.0V Capacity of battery: 800mA Battery life: about 3 years Counting range: 0-999999 Minimum count signal: 3J-5OMS (10 times/sec); 3J-2.5MS (200 times / sec) Reset method: Panel button reset, (6 digits) External terminal reset Operating ambient temperature: -10~40°C Ambient humidity: 35~85% RH Opening size: 22.5*45MM Package list: 1 * Counter Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. 1、The product is displayed by 6-bit LCD, and the reading is clearer. 2、The panel can set count locking to prevent misoperation. 3、This product counts accurately and reliably. 4、The maximum counting speed can reach 200 times per second, no mechanical wear, long life, instead of electromagnetic counter. 5、48*24 standard panel size, easy to install.