This tester is designed to distinguish diamond, moissanite from other fake stones quickly. It has fine elastic tipped probe for testing and able to identify stones as small as 2pt. Features: 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 (all are 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 With "beep" sound indicator Rubber paint finish Factory Calibrated   Specifications: Working Voltage: DC 4.5V, AAA Alkaline or NI-MH battery (not included in the set) or AC adaptor (110~240V, DC 4.2V) (not included in the set) 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) Working Temperature: 18 ~ 30°C   Set Includes: 1 x Diamond Tester 1 x Testing Base English User Manual Carrying Case Standard Factory Package

safe payment via paypal