Hello Mike Cochrane,

Thanks for writing in.

As manufacturer doesn’t have English instruction for this item, below are the inforamtion we sort out for 200128.

Parameter:

Detecting distance: 30cm (11.8 inches)
Number of digits: 6-digit display.
Counting range: 0-999999
Rated working voltage: AC 110V
Counting speed: 10 (times/second) and 1000 (times/second)
Power of power supply: < / =2W
After power off: The data will be stored automatically and can be kept for 10 years.

Best regards.