Diamond Selector II Gold Testing Kits Gem Pen Gemstone Jewelry Tester Tool,Portable Electronic Diamond Tester Pen Jewelry Selector LED(Black)

Product Information

SPECIFICATIONS

It is designed for quick, precise, and safe diamond testing. Fisher F44 - Great All-Purpose Metal Detector This easy-to-use, handheld gadget measures the thermal conductivity of the tested sample/stone and has an LCD display, LED lights and emits audible sounds to give accurate readings time after time. Real diamonds are indicated by sound and light signals. Fisher F75- Gold & Treasure Metal Detector Fisher Gold Bug 2 Fisher Gold Bug Pro It has a 7-second warm-up time and a 150-second shut-off alarm. It incorporates a Large/small switch for testing diamonds over and under 8 points.

• Weight : 5 oz
• Indicator: Audio and LED lamps
• User's manual
• Initial warm-up time: ~ 20 sec.
• Initial Warm-up ~ 20 sec
• Auto Off : N/A