Utility: You can get 4 digital manual counting counters, a convenient counting tool, save time and effort, the pinkest and greenest can count up to 0-9999, the easy reset button of the blue switch, easy to operate. Material and size: the counter is made of ABS and metal, strong and durable enough to use, each size is about 2.4" x 1.4" and the rope size is about 2.4" x 1.4". 19.6 inch, slim and portable, good quality will accompany you for a long time Voice prompt: the meter has voice prompt to turn on/off the beep, if you don't like the beep, please keep long press the + key - for 5 seconds to mute, mute countdown and enjoy more Necklace design: the meter has a black lanyard to wear around your neck, you don't need to take it away with you, you can even clip it to your bag or backpack, it is very convenient to carry when you go out. Wide range of applications: Can be used in many public places such as docks, bus stations, schools, laboratories, competitions, stadiums, training events, etc. It can also be used to track golf shots, baseball fields, church attendance, restaurant customers. , etc., suitable for most needs (battery not included)