Cable Tracing Function: The cable tracing function can quickly and efficiently locate the target cable among a large number of cables. This function is suitable for use in telephone systems, computer networks, BNC cables, and other metal network cables. Cable Length Test: This function applies to various metal cables with at least 2 cores, including network cables, telephone lines, and BNC cables. POE Test: POE testing checks cable mapping, polarity, and voltage of POE network switches. Multifunctional Cable Tester: This cable tester features analog tracing, cable mapping, PoE voltage measurement, adjustable digital tracing sensitivity, and more. LCD Display with Flashlight: The sender unit includes a large LCD display for improved usability, and a built-in flashlight for use in low-light conditions. Multimeter Function: Includes DC and AC voltage and current measurement, resistance, continuity, diode testing, and temperature measurement (available on ET618 model only). ET618: Supports up to 500M range and includes multimeter functions. Type: ET618 Noise-Free Digital Tracing: ET618: Digital/Vibration mode PoE Voltage Measurement: Detects voltage and polarity Network Cable Length Measurement: ET618: Up to 500M Power: Host: Built-in lithium battery, 1250mAh (included) Receiver: 1 x 9V battery (not included) Multimeter Specifications: DC Voltage: 400mV ~ 1000V ± (0.8% + 3) AC Voltage: 4V ~ 400V ± (1.5% + 5) DC Current: 1.0A ~ 10.0A ± (1.2% + 4) AC Current: 1.0A ~ 10.0A ± (2.0% + 5) Resistance: 200 ohm ~ 20 Mohm ± (2% + 6) Continuity: Buzzer sounds when resistance is less than 50 ohm Temperature (K-type): -20°C ~ 1000°C ± (2.0% + 15) Type: A/B/C Color: Black Material: Plastic Package Contents: 1 x Host 1 x Storage Bag 1 x Receiver 1 x English User Manual 1 x Test Clip Lead 1 x Network Cable 1 x Charging Cable 1 x Temperature Probe 1 x Multimeter Probe 7 x ID Mapping Tool 3 x ID Mapping Tool Note: The package includes only the items listed above. Other items are not included. Note: Lighting and display settings may affect the appearance of the product color.