- Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone
- Thinnest probe tip (0.48mm) for testing gemstones as small as 1.00mm (0.01ct).
- Metal alert buzzer to ensure that probe tip is in contact with gemstone during testing
- No waiting time between tests
- 160-degree viewing LCD Readable display
- Bluetooth ready to connect on Smartpro mobile application
- Low battery indicator
- Automatic power off