Product name: grip strength tester<br> Product size: 19.5*12.5*3cm/7.67*4.92*1.18inch<br> Product color: As shown in the figure<br> Product material: pp<br> product features:<br> 1. Designed for home, sports and clinical use, automatic/manual closing can save the display of maximum grip value and weak, normal or strong power levels, and can easily recall for comparison.<br> 2. Accurate measurement, using high-precision strain sensor<br> 3. LCD digital display high-definition LCD display, accurate and clear reading, no matter day or night, the number is clear and visible<br> 4. The buttons are clear and can be used by men, women and children, with small size, large effect and wide application range.<br> 5. When the automatic storage belt counting function is powered on and reset to zero, press and hold for 3 to 5 seconds, the counting will be displayed, and the counting function will start with flashing. To exit, press and hold this 3 for 5 seconds.<br> Precautions:<br> 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images.<br> 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only.<br> Shipment includes:<br> 1 pc grip strength tester