ANENG M469C Multifunction Network Cable Finder RJ45 RJ11 LAN Cable Tester Networking Tool Wire Tracker Receiver Trace Measure Network Repair Analyzers Specifications: Color: Black / Red (Optional) Model: M469C Material: ABS plastic Battery: 6F22 9V battery (Not included) Interface End: RJ11 / RJ45 Flashlight: Equipped with a flashlight Network Line Tracing: √ Telephone Line Tracing: √ Network Cable Proofreading: √ Power Cable Line Tracing: √ DC Level Test: √ Low Voltage Prompt: √ Single and Dual Audio Switching: √ Open Circuit and Short Circuit: √ Lighting / Shield Line: √ Auto Close: Automatically close after 1 hour Headphones: no interference when plugged in a noisy environment Transmitter Size: 127 * 56.5 * 28mm / 5 * 2.22 * 1.10in Receiver Size:  185 * 46 * 31.5mm / 7.28 * 1.81 * 1.24in Transmitter Weight: 62g / 2.18oz Receiver Weight: 77g / 2.71oz Package Weight: 288g / 10.15oz Package Size: 22.5 * 12.5 * 5.5cm / 8.85 * 4.92 * 2.16in