The laser cannot be focused on the probe during measurement, and parallel light can be used for measurement. Usually it cost about 35USD-50USD. If you receive defective item, please kindly notify us within 14 days. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Other Test Meters & Detectors".
The seller is "ichipwholesale" and is located in this country: US. This item can be shipped to United States.