The product features an LCD display for clear and easy-to-read readings. It provides accurate and reliable counting performance. This digital counter eliminates mechanical wear, offering a long service life and replacing traditional electromagnetic counters. It is powered by a built-in lithium battery with a theoretical battery life of up to three years and long memory retention. Designed for standard panel installation, it is simple and convenient to install.Feature: The product features an LCD display for clear reading. It counts accurately and reliably. This is a digital counter with no mechanical wear, ensuring a long service life, replacing electromagnetic counters. Built-in lithium battery provides a theoretical battery life of up to three years with long memory retention. Standard panel mounting design allows for easy installation.Specification: Model: H7EC-NV Input voltage: DC 3-36V Counting format: 0-99999999 LCD display digits: 8 Display type: LCD - black characters External power supply: Not required (built-in 3V 800mAh lithium-ion battery) Input: Count input / Reset input Reset: External reset / Manual reset (minimum reset signal time 20ms) Working temperature: -10°C to +55°C (no ice or condensation) Storage temperature: -25°C to +65°C (no ice or condensation) Operating humidity: 25% to 85% RH Panel cutout size: 44.5mm x 22.5mm Installation type: Panel mount Terminal type: Screw terminal Ingress protection: IP66 - dustproof and water resistant Protection standard: IEC IP66, NEMA Type 4 (indoor use, panel surface only) Noise resistance: Square wave noise (pulse width 100ns, rise time 1ns per 1s) Electrostatic discharge resistance: 8kV (no malfunction) Vibration resistance: 10–55Hz, 0.375mm single amplitude, 3 axes, 2 hours each Malfunction test: 10–55Hz, 0.15mm single amplitude, 3 axes, 10 minutes each Shock resistance: 300m/s², 6 directions, 3 times eachPackage list: 1 x CounterNote: Actual product color may vary slightly from the image due to lighting conditions. Slight measurement deviations may occur.