Features Lcd Display: The Electronic Counter Is 5 Digit Large Lcd Display with Ultra Low Power Consumption And Clear Display. Magnetic Induction: Adopts Magnetic Induction Design, with Accurate Counting, Quick Response And Strong Practicability. Safe Operation: The Electronic Counter Has No Mechanical Wear, Operation Is Safe, And Easy Installation. Wide Range: with Wide Counting Range And Convenient Zeroing Operation, Which Is Very Suitable for Punching Machinery. Excellent Accessories: with Probe And Magnet Block, Excellent Performance In Cooperation, Easy to Install And Use. Specification: Item Type: Electronic Counter Model: HX-5A Clearing Method: Panel external Counting Range: 0-99999 Power Supply: 1.5V 600mAh AA ordinary battery x 1 (built in battery) Minimum Pulse Width for Clearing: 0.1 seconds Maximum Counting Frequency: 20HZ Use Environment Temperature: -5-40℃ Counting Minimum Pulse Width: 10mS Maximum Resistance of Contact: ≤10KΩ Minimum Resistance of Contact Disconnection: ≥500KΩ Package List: 1 x Counter 1 x Probe 1 x Probe Fixing Sheet 1 x Magnet Block Note: The counting and reset signal lines should be as short as possible. Do not lay strong wires or power lines on the signal lines to avoid unnecessary interference; use shielded wires when necessary to connect to the reset terminals. Package List 1 x Counter 1 x Probe 1 x Probe Fixing Sheet 1 x Magnet Block