Digital Calculator The electronic manual calculator is made of high quality ABS plastic, which makes it strong and durable. It is simple and elegant in appearance and comfortable to hold. Digital Manual Calculator This electronic hand clicker measures approximately 6.53.52cm, suitable for your palm With mini size and lightweight features, this manual calculator is very convenient to store and carry. Finger Manual Calculator This portable mechanical calculator is tied with a durable nylon rope that you can wear around your neck to free your hands and prevent accidental loss. Digital Sports Calculator The calculator has a voice prompt and can beep when it counts. If you dont like the beep tone, press and holdbutton for 5 seconds to turn off the tone. Digital Golf Sports Meter Electronic digital counters can be used in many public places such as schools, laboratories, games, stadiums, training activities, etc., and can also track golf shots, baseball fields, traffic shops, etc.