Miniature Continuity Tester with 2 Batteries operates on latest technology that allows checking continuity of any cable. The Miniature Continuity Tester comes in compact construction and can be easily carried. MDR Electronics, an ISO 9001: 2008 and ISO 14001:2008 accredited company is manufacturing Miniature Continuity Tester with 2 Batteries. MDR Electronics also manufactures a wide range of electronic accessories, Cables and Spare Parts such as Audio or Video Cables, Connectors, Cords, Computer/ Laptop Accessories and Cable Organizers, under the brand name `MX`. The Miniature Continuity Tester with 2 Batteries works on dual batteries.