Specification: NF-8601S Transmitter specifications LCD screen:60 x 45mm Tone frequency:130KHz The range of testing cable:2000m Trace cable coonected to switch:AC Fliter Tone mode:2 Tones, adjustable Compatible with connectors:RJ11,RJ45,BNC, PINGPoE Battery type:Lithium battery Dimensions (LxWxD):185 x 80 x 32mm NF-8601S Receiver specifications Frequency:130kHz The Max. working current:Less than 70mA Earphone jack:1 LED illumination:2 LEDs Battery type:Lithium battery Dimensions (LxWxD):218 x 46 x 29mm NF-8601S Remote unit specifications Compatible with connectors:RJ11,RJ45,BNC Dimensions (LxWxD):107 x 30 x 24mm Feature: NF-8601S, a must tool for each network technician, provides full cable testing on different category network, coax, or telephone cable. displaying wire map and any faults. The intelligent wiremapu002639; feature tests for length, shorts, split pairs, or opens and displays with an intuitive graphical interface where a fault is located.(usingTDR techonology:Time Domain Reflectometry). Besides, finding cables easier and tracing with AC fliter, or locating network port using hub blink feature. NF-8601S also tests the presence of PoE and PING functions. Functions 1. Measures cable length and display the distance to fault. 2. PoE Presence: identify which pins are providing power and detect how much voltage . 3. PING function to test network performance, data packet, min u0026amp; max time. 4.Tone trace cable with complete AC Interference Rejection, much easier than other tracers on markets. 5. Hub blink for locating network port by the flashing port light on a serverswitchhubrouter port 6. Core troubleshooting features; length, distance to fault, graphical wire mapping, opens, shorts 7. TF card included to import and export data from comupter (50 sets, txt format). 8. Roughly locate breakage or short position by tone. 9. Voltage detector: included in receiver (90-1000V) Benefits 1. Two tone tracing modes: common switch u0026amp; PoE Switch. 2. Big LCD color screen 320240 and lighting lamp in darkness. 3. Function of storage and memory. 4. Low voltge alarm function and automatic delay power on-off. 5. Rechargeable Lithium battery for more efficient work. Package Included: 2x Built-in Lithium battery 1x Carry case 1x Gift box 1x Charging adaptor 1x Telephone line adapter 1x Network cable adapter 1x Cable clips 1x TF memory card