Patented. The UltraDock is a sleek, low profile battery-charging stand designed for recharging the NiMH batteries used in the GemOro Testerossa and all third-generation GemOro UltraTester 3, PRO-D 3, and PRO-M 3 testers. The attractive UltraDock can be securely placed on your showroom counter, showcase, or desk with your tester inserted, ensuring it is always within easy reach, fully charged, and ready for cordless or fully portable use. Specifications: Compatibility: GemOro Testerossa, UltraTester 3, PRO-D 3, PRO-M 3 Power Supply: Requires testers' supplied multi-voltage 100-240V AC adapter/charger Design: Low profile, sleek, and attractive Placement: Suitable for showroom counters, showcases, or desks Keep your testing devices charged and ready for use with the UltraDock 3.