URES:
· Easy operation without necessary to adjust LED bar garph via volume control to match stones of different sizes like that used in other diamond tester models
· Could be powered by AAA alkaline batteries, NiMH batteries or an AC power adaptor (not included in the set)
· Can distinguised stoned as small as 2 pt
· Low battery detector
· Equipped with an elastic probe tip
· Built in metal detector
· Automatic power off
· With "beep" sound indicator
· Rubber paint finish
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SPECIFICATIONS:
· Working Voltage: DC 4.5V,
· Probe warm up time: about 25 seconds
· Working time: about 2 hours of continous use
· Net weight: 65g (not including batteries)
· Tester Size: 173 x 42 x 22mm (L x W x D)
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