Feature: 1. Withstand Voltage 60V: The POE tester can be used directly on the switch, and the line can be traced directly on the switch within 60V, which is more convenient and simple. 2. Testing Easily: Proof of the cable sequence, when the cable crystal plug is done, the cable finder can be used to test whether the cable is connected or disconnected. 3. Precise Line Hunting: It can accurately find the pair of line cables that need to be searched among many lines. 4. Finding The Line In One Step: Line finder supports a variety of lines can find telephone lines, network cables, wires, and various metal cables. 5. Anti Interference And No Noise: The cable tester is effective in anti interference, with a headphone connector design, you can wear headphones for tracking in noise or office environments. Specification: Item Type: Line Finder Material: ABS Model: TF-008P Battery: 9V 2 x 6F22 (not included) Uses: Can find telephone lines, network cables, wires, and various metal cables Support Language: English Maximum Working Current: Transmitter ≤ 15mA Receiver≤25mA Signal Transmission Format: Digital square wave Anti POE Voltage: ≤60V Signal Transmission Distance: ≤3KM. Package List: 1 x Receiver (Battery Not Included)1 x Transmitter (Battery Not Included)1 x Headphone1 x RJ45 Line1 x RJ11 Line1 x RJ11 Clip Cable1 x Manual 1 x Carrying Case