Description:Product Name:Finger Counter Product Size Approx.: 2.7*3.5 cm/1.06*1.37 inch Product Color: As shown in the picture Product Material: abs plastic product features: 1. LED DISPLAY: The LED night display provides clear, easy-to-read numbers, perfect for counting times and steps in low-light conditions. The finger calculator is compact and lightweight, easy to carry and store, and can be carried around at any time. 2. The interface of this finger calculator is simple, intuitive and easy to use. You can quickly and accurately check the quantity. 3. Equipped with a very precise sensor. You can use the finger ring calculator without worrying about calculations. 4. Battery operated. You can replace the batteries at any time without worrying about running out of batteries. 5. Made of high quality material, durable and reliable, you can certainly count the rings on your fingers. Featuring a strap, it can be easily worn on your thumb for handling and observation. Precautions: As we all know, different computers display colors differently, the color of the actual position may be slightly different from the pictures below. 1 piece. finger counter