•Distinguish diamond, Moissanite and CZ simultaneously & quickly. •Simple on-off switch, no tricky adjustments. •Ten minutes auto shutdown to save battery. •Powered by AAA alkaline & NI-MH batteries, or optional AC adaptor. •Low battery detector & built-in metal detector. •Equpped with an elastic probe tip for testing. •Packed in elegant gift box. •Rubber paint finish Technical Specifications:
•Working voltage: DC 4.5V, AAA alkaline, NI-MH batteries
or AC adaptor(110V- 240V, DC 4.2v, optional). •Probe warm up time: about 25 seconds. •Working time: about 2 hours for continuous use. •Working temperature: 18°C to 30°C.