Gemstone Diamond Tester Selector with LED Indicator and Audio Feedback

What are Specifications:
-Dimension: 13 × 4 × 2 cm
-Colour: Black
-Powered by DC 9V battery x 1 Included

What is Description:
-Pocket with a handheld.
-Operation simple and accurate.
-Emit audible sounds to give accurate reading.
-Diamond indicator will be showed if the stone is a Real diamond Green light.
-Metal alert continuous buzzing sound when user accidentally touches metal rather than stone.
-Large and small switch for testing diamonds positive and negative 8 points.
-To emit sounds to give accurate reading.
-LCD display and LED indicator.
-If stone is Fake crystal, a simulant such as cubic zirconium CZ, will be no reaction.
-Measurement Methods:
-Step 1: Install the battery before measuring.
-Step 2: Turn to the right to turn on the power, adjust the thermal conductivity lamp to the highest position, and wait for the heating lamp to light up.
-Step 3: Observe the indoor temperature, diamond weight, and find the corresponding number of lights.
-Step 4: Start to test the diamond, the ninth lamp of real diamond will light up.
What in the Box:
-1 x Diamond Tester
Notes:
-The colours may vary slightly depending on different monitor displays.
-Please allow for minor discrepancies due to manual measurement.