RJ45 & RJ11 Tester: Run continuity test for CAT5 & CAT6 cables and telephone lines to find shorts, opens, breaks, and crosses.
Network Toner: Connect one end of the cable to the Emitter device. Use the toner probe to find the other end of the cable even if it's connected to an Ethernet switch. It also helps to pair a wall Ethernet port to the target port on a router.
Circuit Tester: Attach the alligator clips to the copper part of a live circuit. Identify a short or open circuit in one sec.
Voltage Protection: Supports to test cables or wires with up to 100V power.
PoE Power Supply Check: Connect the Ethernet switch to NF-812 with an RJ45 cable. Run a PoE test to tell the wires that provide power.
Polarity Test: Attach to identify the positive and negative ends of a battery.
