Digital number converter

Digital type tally counter that can count up and count down.
[Features]
・ 4 modes of "Count," "Calculation," "Alarm" and "Memory" can be switched
・ Shaped for a grip that fits in your hand
・ Easy to read in uppercase
・ It can measure from -9,999 to 99,999
・ You can switch various functions with buttons and use it according to your purpose
[Applications]
・ Count the number of visitors, traffic volume, observation of wild birds, etc.