Features Clear Reading: 6-digit large-screen LCD display, low power consumption and long battery life. Make it easier for you to see numbers visually. Reliable: The input adopts common contact signal, the sensor selection is simple and convenient, and the counting is accurate and reliable. The maximum counting speed reaches 20 times/second. Easy to Use: The panel and exterior can be reset to zero, shock-proof design, and the panel can be set to count lock to prevent misoperation and effectively prevent data loss. Durable: No mechanical wear, reliable operation, long service life, it is your perfect helper, the electronic totalizer has a wide counting range, and the counting performance is stable and reliable. Wide Range of Applications: Widely used in automatic conveyor belt systems, winding machines, packaging machinery, textile machinery, milling machines, etc. Specification: Item Type:Counter Product Model: BEM-6C Power Supply Type: Built-In Battery Battery Model: AA R6P Voltage: 1.5V Capacity: 1500mA Counting Range: 0-999999 (6 Digits) Counting The Highest Frequency: 20Hz Count The Minimum Pulse Width: 1mS Contact Maximum Resistance: ≤1KΩ Contact Disconnection Minimum Resistance: ≥500KΩ Clear Mode: Panel / External Operating Ambient Temperature: -5℃ ~ 40℃ Size:64 x 38 x 38mm / 2.52 x 1.5 x 1.5in Opening Hole Size:61 x 36mm / 2.4 x 1.42in  Package List: 1 x Counter Package List 1 x Counter