WD219: 4-Digit Number Clicker

Features a 4 digit display, an instant reset knob/zero clearing switch on the side. Ideal for a variety of athletic training activities including golf, jumping rope,track etc. Perfect for counting attendees to sporting, meeting or social events. Compact and ergonmically designed manual counter fits comfortably in your hand, and easy to operate. Counting speed: 300 number / s (based on the human's reaction speed).