Feature 1 [LCD Display] With LCD to display test information. The equipment is composed of a host and a remote terminal. The operation of the instrument is smooth and the design is user friendly. 2 [Multifunctional] Has the functions of standard and nonstandard POE equipment testing, POE power online testing, network line to line testing, DC power testing, switch loop testing, etc. 3 [Lighting Function] With lighting function, battery low voltage prompt function, it is a practical tool for maintenance engineers and technicians. 4 [Durable Material] The POE tester is made of high quality ABS material, which is durable, safe, and can be used for a long time. 5 [Widely Application] POE detector is widely used in the installation of weak current systems such as security monitoring, communication lines, and integrated wiring.Item Type: POE TesterModel: NF488Battery: 3 x AAA 1.5V (Battery Not Included)Material: ABSApplication: Line power test Host Display Screen 128"64mm Dot Matrix, LCD With Backlight Language Display English Key 5 Function Keys + 1 Power Key Interface Description 4 RJ45, Two DC Ports Diagonal Test Applicable Cable CAT5, CAT6 Cable Sequence And Fault Test Support Network Cable Shielded/Unshielded Testable Differentiation (1 To 1 Alignment) Short Circuit Prompt Support 1 To 1 Alignment RJ45 Main Interface + Receiver Test 1 To 1 Alignment Switch Alignment RJ45 Main Interface + Directly Connected To The Switch Test Length Approx. 600m / 1968.5ftPOE Test Test Range DC5-60V Nonstandard Standard POE Switch Power Supply Line Sequence Reminder Support Standard DistinctionNonstandard, IEE? E 802.3af/at PD Output Interface Support Power Test Range 0~18W Power Test Voltage Test Range DCO-60V Current Test Range 0~3A Power Test Range 0~180W Loop Test Compatible With 10M, 100M, 1000M Switches Lighting FunctionSupport Power Supply 3 x AAA Battery (Battery Not Included) Battery Low Voltage IndicatorSupport, 2.7V Auto Shutdown Function 15min, 30min, 60min, OFF Input Voltage Protection DC48V 5mA Maximum Working Current 80mA Line Interface RJ45 Power Supply No Input Voltage Protection DC48V 5mA Package List1 x Host (Battery Not Included)1 x Remote Terminal1 x Clip1 x Connection Line2 x Adapter Line1 x Tool Bag1 x ManualNoteDo not perform related operations on communication lines during a thunderstorm to prevent thunderstruck and affect human safety