The tester has three modes of digital mode, analog mode and PoE mode for options to track cable easily, which means it is equipped with the most powerful cable location technologies for any work environment. Besides, it includes cable length measurement, cable faults testing, PoE testing, hub blink and NCV function, all of these makes it a must-have tool for cabling engineers. Features: Emitter Testing Function: including cable continuity testing, cable length measurement, cable scan, and PoE test. Three Scan Modes Switchable: it has digital mode, analog and PoE mode for options to track cable. PSE Type Distinguish: identify the type of PSE, it is AF or AT standard. POE Test Range: test the information of the DC5~60V standard / non-standard PoE device. Non-contact Voltage Detecting: the receiver can be used to detect the AC voltage of household electrical wiring. Illuminate Function: both the emitter and the receiver designed with lamp for auxiliary lighting up the working areas during operation. Other Settings: backlight time(15s/30s/60s/on/off), auto-off time(15mins/30mins/1h/off), contrast adjustment and version checking. Specifications: Material: ABS Package Weight: 500g / 17.64oz Package Size: 23 * 17 * 5cm / 9.06 * 6.69 * 1.97in Emitter Parameters & Functions: LCD Display: 128*64 dot-matrix with backlight Power Supply: 3 * 1.5V AAA battery (NOT included) Low Battery Warning: 2.7V Auto-off Time: 15min/30min/60min/OFF Voltage Protection: DC48V, 5mA Max. Working Current: