Профессиональный высокоточный Алмазный тестер селектор драгоценных камней ювелирный инструмент индикатор тестовая

Description:

• Emits audible sounds to give accurate reading
• Diamond indicator will be showed if the stone is a REAL diamond, and beeping sound (The bigger the size of the stone is, the more pieces of the red lamp box of the level meter light up.)
• Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone )
• If stone is Fake crystal, there will be no beeping sound, no red lamps light on
• Easy to use even for beginners
• Powered by a DC 9V battery no include
• Dimension (L x W x H): Approx. 16 x 4 x 2.2cm
• Color: Black

Alibaba protect your orders from payment to delivery!