This meter combines with the cable tracing and cable length measuring functions. The advantage of this meter is the long-tracing distance clear sound signals quick and precise cable length measurement. The meter is a practical tool for laboratories, factories, radio lover network installers and technicians. It can real-time measure network cable length, short circuit and circuit break. The cable tracing function can quickly and efficiently find the target cable in a large number of cables. This function can be used in telephone systems, computers networks, BNC cables and other metal network cables. Features: Cable Tracing Function: The cable tracing function can quickly and efficiently find the target cable in large number of cables. This function can be used in telephone systems, computers networks, BNC cables and other metal network cables. Cable Length Test: This function can apply to different metal cables with at least 2 cores including network cables, telephone lines and BNC cables. POE Test: POE testing can check cable mapping polarity and voltage of POE network switches. Multifunctional Cable Tester: This cable tester has the function of analogue tracing, cable mapping, PoE voltage measuring, digital tracing sensitivity adjustable, etc. LCD display with Flashlight: The sender of this line finder adopts a large LCD display screen to give you a better experience and the flashlight allows you to turn it on when the light is low. Multimeter Function: This function includes direct current and AC voltage and current measurement, resistance, continuity, diode, temperature measurement(Only ET618). ET616/ET618 Optional: There are two different types for you to choose. The network cable length measuring ranges of ET616 is 400M, and the ranges of ET618 is 500M. Only ET618 has the multimeter functions. Specifications: Material: ABS Type: ET616/ET618(optional) Analogue tracing: Switch tracing ( w/PoE): Cable mapping: Switch indicators flashing: Noisy free digital tracing: ET616: Digital ET618: Digital/Vibration PoE voltage measuring: voltage polarity Analogue bargraph: NCV detection: Network Cable Length Measure: ET616: 400M ET618: 500M Power: Host: built-in lithium battery, 1250mAh (included) Receiver: 1 * 9V battery (NOT INCLUDED) Package size: 218 * 158 * 50mm / 8.6 * 6.2 * 2.0in Package weight: ET616: 490g / 1.1lb ET618: 585g / 1.3lb Multimeter Specifications (only ET618): Direct current voltage: 400mV~1000V(0.8%+3) AC Voltage: 4V~400V(1.5%+5) Direct current current: 1.0A~10.0A(1.2%+4) AC Current: 1.0A ~10.0A(2.0%+5) Resistance: 200 ~20M(2%+6) Continuity: < 50 buzzers beeps Diode: Temperature(k type): -20~1000C(2.0%+15) Note: The ID pairing function is implemented with remote ID mapping accessory, you need to buy this accessory by yourself separately, This accessory is not included in this set. ET616 Packing list: 1 * Host 1 * Receiver 1 * User Manual 1 * Clip Line 1 * Network Cable 1 * Recharging Line 1 * Storage Bag OR ET618 Packing list: 1 * Host 1 * Storage Bag 1 * Receiver 1 * User Manual 1 * Clip Line 1 * Network Cable 1 * Recharging Line 1 * Temperature Probes 1 * Multimeter Probes