Working Voltage
4.5V, AAA Alkaline or AC adaptor (110~240V, DC 4.2V) (not included)
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 degree C
Application
Gem Testing Tools
