Features:
OOTDTY  

Power requirement: AC 220V
for Stronger photoelectric come with reflector, detection distance up to 30cm
6 Digits RED led counter, it is very accurate
Data be retained when power failture
This can detect most of object, for example, metal plastic glass book clothes bag people

Specifications:

External Material: Plastic
Power Supply: AC 220V
Counter Working AC 12-24v
Display 0-999999
Response Frequency: 10Hz
Reset: Manual
Counter Operating Temperature: 0-5℃-45℃
Product Size: 56x40x85mm/2.2x1.57x3.35"
Hole-cutting Size: 50x25mm/1.97x0.98"
Quantity: 1 Set

Note:

Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

No Retail Package
Package Contents:
1 x Digital Display Counter
1 x Photoelectric