Professional Diamond Tester Gemstone Gem Selector High Accuracy Jewelry Watcher Tool LED Indicator Test Pen | Инструменты

Professional Diamond Tester Gemstone Gem Selector High Accuracy Jewelry Watcher Tool LED Indicator Test Pen | Инструменты

Features: Easy operation. LED light and audio result indication. The red light will be showed and the audio indicator will ring if the stone is real diamond. Simple calibration for stones of various sizes. Accurate and reliable reading. Matched with a testing platform for loose stones. Light weight, matched with a convenient carrying case. Detailed user manual is included in the package.   Maintenance and repair: 1, the instrument is very sensitive to the probe, must be particularly careful to protect, do not use should be set on the sheath. 2, the preparation of the indicator light is very dark, shows the battery will run out, should be timely replacement battery. 3, the instrument is not used for a long time, please take out the battery. 4, in order to detect accurately, the proposed correction once a year.   Specifications: Color: Black Material:ABS Power supply: 1 * DC 9V Battery (not include) Item size: 16 * 4 * 2.2cm (6.6 * 1.6 * 0.8in)   Package Included: 1 * Diamond Selector II 1 * Testing Platform 1 * Carrying Case 1 * User Manual