Features:
- Equipped with ultraviolet light to test fluorescent reaction of stones
- Flexible calibration with multi Level Volume to match different sizes of stones
- An option to use or connect with A/C adaptor (not included) for long time indoor use
- Most compact design and low battery consumption
- Emit audible sounds to give warning buzzer if the probe touches metal surface
- Audible and visual indicator of genuine diamond
- With a single press of a button it can accurately and precisely: Supplied with vinyl pouch, testing platform for loose stones and a comprehensive instruction manual best utilize JEM-II
- Quickly distinguishes authentic diamond from all models of diamond simulants and metals
- Distinguish stones as small as 2pt
- Brand new and unused
Specifications:
- Probe Warm-up Time: about 25sec
- Working Time: about 5 hours for continuous use
- Suggested Working Temperature: 18°C to 30°C
- Working Voltage: 1 x 9V, 6F22 battery (not included the set) or AC adaptor 110V-240V, DC 9V (not included the set)
- Size: 168 x 31 x 21mm
- Net weight: 55g