Small and convenient tally counter, size 66x35x20mm. Features add and subtract functions with on/off and reset buttons. Produces a clicking sound during operation. Includes a small cord for easy handling. Made of plastic material. Instructions: 1. Press the ON/OFF button to turn on; the display will show "0". 2. Press the "+" or "-" button to count up or down. 3. To reset the counter: when the count exceeds 9999, press and hold the ON/OFF button for 5 seconds to reset to zero. 4. To turn off the device: press and hold the ON/OFF button for 5 seconds when the display shows "0". Note: Press and hold the "+" button for 5 seconds to toggle sound on or off. Ideal for various counting tasks such as sports events, swimming, running, people counting, inventory tracking, and more. Compact and portable design allows for easy carrying and use anywhere.