Features The control panel can set a counter lock to prevent misoperation. The maximum counting speed can reach 200 times per second, no mechanical wear, long service life, instead of an electromagnetic counter. The product is displayed on a 6-bit LCD and the reading is clearer. 48 x 24 standard plate size, easy to install. It can enter a good contact signal and count accurately and reliably. Specification: Model: H7EC-BLM Power supply: internal power supply Type: Lithium-ion battery. Model: CR2. Voltage: 3.0V Capacity: 800 mA. Battery life: ≥ 5 years. Counting range: 0-999999. Minimum counting signal: 3J-5OMS (10 seconds); 3J-2.5MS (200 times/sec) Reset method: panel button reset, (6 digits) Operating environment temperature: -10~60°C. Ambient humidity: 35-85%RH Opening size: 22.5 x 45 mm Maximum contact resistance: ≤10 km (count ON). Minimum contact resistance: ≤500 km (count off). Package list: 1 x counter. Note: Actual product colour may vary from the photo due to lighting conditions. There may be slight deviations in product measurement. Package List