Features: Test the information of the standard/non-standard PoE device, such as voltage, polarity, midspan or endspan. Identify the type of POE, it is af or at standard. Test of real-time power consumed by PD devices in PoE power supply systems. Test the open, short, cross status in the network cable. Test the power consumed by DC appliances. The loop test function of the switch. Specifications: Cable Types: STP/UTP Max Testing Range: 600m Wire Mapping: Emitter + remote, emitter + switch/routor POE FUNCTION: Test Range: DC5-60V PoE switch Standard Identify: 802.3af/at(standard/non-standard) Test Range Power: 0-18W POWER FUNCTION: Voltage Test Range: DC0-60V Current Test Range: 0-3A Power Test Range: 0-180W Display: LCD 128*64mm, with back light Input Voltage Protection: DC48V, 5mA Max Working Current: ≤80mA Loopback: Compatible with 10M, 100M,1000M switch Power Supply: 3 * 1.5V AAA battery (Not included) Remote Specification: Ports: RJ45 Function: Wire mapping for network cable Input Voltage Protection: DC48V, 5mA Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Material: plastic colour: black Package Contents: 1 x Emitter ( battery is not include) 1 x Remote 1 x accessory(Note: Random color, don't accept the specified color.) 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.