It is designed to check the connectivity of various types of cables, including Coaxial F, Ethernet Cat 5, Ethernet Cat 5e, Ethernet Cat 6, RJ11, Ethernet Cat 7, and RJ45. If you need to test various types of cables, this device is an excellent choice.
eBay
BATTERIE Newly Ni-MH For : Fluke Microtst 2-Way Injector Test Pentascanner microotste Pentascanner+ microtet+ Ability: 2000mAh Dimension: 130.80 x 76.00 x 17.20mm P/N: 2938-2003-01 2938-2003-02 Voltage: 9.6V.
eBay