Item Description
1. Compact and portable.
2. Equipped with ultraviolet light to test fluorescent reaction of stones.
3. Flexible calibration with multi Level Meter Volume to match different sizes of stones.
4. Distinguishes stones as small as 2PT.
5. Long time indoor use by being connected with A/C adaptor.
6. Two-year manufacturer's warranty except battery and probe pin damage.

Specification:
1. Working voltage: DC 9V, 6F22 battery, or AC adaptor (110V- 240V, DC 9V, optional)
2. Probe warm up time: about 25 seconds.
3. Working time: about 5 hours for continuous use.
4. Working temperature: 18 to 30 celsius degree.
5. Size: 168mm× 31mm× 21mm (L× W× D).

Package details:
1 x Diamond Tester
1 x Leather Pouch Case
1 x Testing Platform for loose stones
1 x English user manual