Product Description Product Specifications Model: NF-8509 Transmitter Wire Mapping Test: Max distance of 2,000m Wire Scanning RJ45: 600m Wire Length Test: 5-200m (±3m) Port Flashing Test: 10M/100M/1,000M POE 4-core/8-core Power Supply Detection POE Voltage Detection Continuity Test: Detects the connectivity performance of wires and various conductors. The buzzer will sound when resistance is below 50Ω Identify Polarity and Forward Voltage Drop of Diodes: 0-3.3V NCV Function: Inductive voltage detector with 0-4 levels Resistance Measurement: 600Ω-60MΩ (accuracy: ±1.0% +5) AC/DC Voltage Measurement: 600mV-610V (DC accuracy: ±0.5% +3, AC accuracy: ±0.5% +3) Current Measurement: 1mA-3A DC (accuracy: ±0.8% +3) Frequency: 0-10MHz (accuracy: ±1.0% +3) Power: 3.7V/1,500mA lithium battery Ambient Temperature Display: Yes Dimensions: 137.5 x 76 x 34mm Receiver LED Light: Yes Telephone Function: Yes Power: DC 9V (exclusive) Maximum Working Current: ≤150mA Receiver Dimensions: 204.9 x 38 x 29mm Functions Network Cable Testing Functions: Cable Length Test Wire Continuity Test Wire Scan Test POE Test Port Flash Test Digital Multimeter Functions: AC/DC Voltage Test Continuity Test Diode Test Temperature Test NCV Test Resistance Test AC/DC Current Test Note: Wire scan is enabled by default after turning on the device. Package Includes 1 x Emitter 1 x Receiver 2 x Multimeter Pen 1 x Carry Bag 1 x Type-C USB 1 x Earphone 1 x Cable Adapters 1 x User Manual