Type d'outils et d'équipements de bijoux
Appareils de contrôle et mesures
Product name
Smartpro Gem eye Gem Stone Tester
Power
3 x AAA batteries or AC adaptor (optional item provided by SmartPro)
Battery Life
Up to 2.5 hours of continuous use based on alkaline batteries
Standby Time
2 min from the last measurement