General description This M469A Network Cable Finder is a versatile testing instrument designed for efficient cable management and troubleshooting. It features multiple functions including open circuit and short circuit testing, telephone wire finding, cable tracing, DC level testing (DC 3~10V), network line finding, and network cable proofreading. Technical specifications Product Name: Network line finder Product Model: M469A Use Battery: 6F22 9V battery (not included) Interface End: RJ11, RJ45 Transmitter Size: 127 x 56.5 x 30 mm / 5 x 2.22 x 1.18 inch Transmitter Weight: 62g / 2.19oz Receiver Size: 198 x 46 x 31.5 mm / 7.79 x 1.81 x 1.24 inch Receiver Weight: 77g / 2.72oz Material: ABS Color: Red Usage Low Voltage Prompt Function: Alerts the user when the battery voltage is below 6V with flashing LEDs. Earphone Function: Allows use in noisy environments to prevent external interference. Spotlight Function: Facilitates work in dark conditions. Volume Adjustable Function: Adjusts