Features:

1) With zero clearing switch on the right side
2) Mechanically jumps by every press, quick reaction,the ratio:1:1
3) Counts Range: 0000 to 9999,4-digit display
4) Counting speed: ≤ 300 number / s (based on the human's reaction speed)
5) Numbers instantly and automatically return to zero with a twist of the reset knob.

Advantages:   
1) High Quality:100% brand new and high quality
2) Good Appearance:Nice appearance and comfortable feel
3) Good Structure:Compact design and portable
4) Convenient:Metal hoop is convenient for you to carry