Multifunction Wire Detector-1. Wire Detection Function : Anti- interference mode/ordinary mode (used with other models).2. Alignment Test: Local alignment test and remote alignment test.3. Crimping Test: To test whether the registered jacks RJ11 and RJ45 are crimped properly.4. PoE: Power supply wire core, mid- span and end-span.5. Red Light Function: 10mw. 6. LED Flashlight.7. Battery Indication. 8. Power Supply: 3.7V lithium polymer battery.9. Dimension of Receiver: 200 x 52 x 33 mm.