Product short description: This optical head/probe is a smart metering interface that for data exchange. Only 2 very simple use steps: 1. Use probe side touching with meter( such as electric meter, gas meter, heating meter, water meter), the probe will read metering data itself by infrared wave inside.
2. Then connecting USB side with computer or PC, transfer the data into computer or PC and display automatically. You don't need to write down meter data by hand in person, no need type many data to computer or PC.