Key Features:>

Turn on/off sound

HOLD DOWN THE BUTTON +/- UNTIL THE COUNTER BEEPS , RELEASE YOUR HANDS IMMEDIATELY, IT WILL BECOME SILENT. IF YOU WANT THE COUNTER BEEP AGAIN, DO THE SAME STEPS .

Wide application

TRAFFIC ANALYSIS:You can use it at concerts, stadiums,restaurant,church,supermarket also good for Aircraft crew,school bus driver,teacher,buddhists etc.
SCIENTIFIC RESEARCH:Used to accurately and quickly count pendulum swings, bacteria colonies, blood samples, take surveys, inventory items, receive lab samples, and tally biomedical events drops from liquid, alpha particles, etc
SPORT EQUIPMENT:Swimminglap/running/Disc Golf/Baseball Pitch/Fishing/Crochet Row Count

Designed for reliability, long life, and hard use. Unique engineering provides a smooth, tactile feel. Compact unit is ideal for carrying in the pocket