1. The product is equipped with an LCD display for clearer readings. 2. This product counts accurately and reliably. 3. It's a digital counter with no mechanical wear, ensuring a long lifespan and replacing electromagnetic counters. 4. Built-in lithium batteries provide a theoretical lifespan of up to three years with long-term memory retention. 5. Standard panel mounting model, making installation easy. Function: The product features an LCD display for clearer readings. It counts accurately and reliably, functioning as a digital counter without mechanical wear for a long lifespan, replacing electromagnetic counters. Built-in lithium batteries offer a theoretical lifespan of up to three years with long-term memory retention. The standard panel mounting model ensures easy installation. Specification: Model: H7EC-NV Input Voltage: DC 3-36V Counting Range: 0-99999999 LCD Display Digits: 8 digits Display Type: LCD - black characters External Power: Not required (built-in 3V 800mA lithium-ion battery) Input: Count input / Reset input Reset: External reset / Manual reset (minimum reset signal time 20ms) Operating Temperature: -10 to +55°C (no ice or condensation) Storage Temperature: -25 to +65°C (no ice or condensation) Operating Humidity: 25%~85% Panel Opening Size: 44.5MM * 22.5MM Installation Type: Panel mount Terminal Type: Screw terminal Ingress Protection: IP66 - dustproof, water-resistant Protection: IEC standard IP66, US NEMA standard Type 4 (indoor) (panel surface only) Anti-Noise: Square wave noise generated by noise simulator (pulse width 100 ns, 1 s rise 1 ns) Antistatic Force: 8kV (malfunction) Vibration Resistance: 10 ~ 55Hz, single amplitude 0.375 mm, 3 directions, 2h each Malfunction Vibration: 10 ~ 55Hz, single amplitude 0.15 mm, 3 directions, 10min each Shock Resistance: 300m/s², 3 times each in 6 directions. Note: The actual product color may vary slightly from the image due to lighting. There might be a slight deviation in product measurements.