Tests continuity of full-function USB 3.0 Type-C (24-pin) cables Supports continuity testing for Android Micro-B, Gigabit/100Mbps RJ45 Ethernet cables, Lightning cables, and printer download cables (Type-B 2.0) Multi-functional portable testing instrument No power supply required, comes with a replaceable button battery (CR2032 model) Battery life depends on usage frequency; consumes no power when not in use and does not leak, making it very safe This USB 3.0 cable continuity tester can test the continuity of a full-function USB 3.0 Type-C (24-pin) cable, allowing users to quickly identify cable quality. It also supports continuity testing for Android Micro-B, Gigabit/100Mbps RJ45 Ethernet cables, Lightning cables, and printer download cables (Type-B 2.0). It's a multi-functional portable testing instrument. Color: As Shown Material: PCB Package Contents: 1*Data Cable Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.