Features: OOTDTY LCD faucet, easy to read. Rope design, can be hung around the neckUsed for various data statistics, conference attendance, traffic flow, laboratory analysis and counting, cargo inventory, etc. Instructions:There are two buttons on the counter, the big button is the count button and the small button is the reset button. When the value reaches 99999, press the count button to automatically return to zero. When the battery is removed, the numbers will disappear. Reinstall the battery within an hour, the number is still the original position. Color: Random DeliveryMaterial: Plastic Size: 6cm (2.36 inch) 4cm (1.57 inch) 1.8cm (0.71 inch)Battery Type: 1 AAA (Not Included)Counting Range: 00000 to 99999 Quantity: 1pcNote: Transition: 1cm=10mm=0.39 inchPlease allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1 Electronic Meters