1. Efficient Blockage Testing: Use the 512Hz transmitter to accurately locate pipeline blockages and improve detection efficiency.2. Accurate Locating: The handheld transmitter sonde enable accurate positioning of underground pipelines for fast issue identification.3. Portable Design: Lightweight and easy to carry, allowing you to perform pipeline inspections anytime, anywhere and promptly discover potential problems.4. Versatile Application: Suitable for various types of pipelines, such as sewage pipelines, water supply pipelines, etc., for comprehensive testing.5. Durable Material: Made of durable ABS and steel materials, ensuring long lasting use and providing an economical and practical solution.Specification:Item Type: Pipe Inspection TransmitterMaterial: ABS, steelWeight: Approx. 190g / 6.7ozBattery: Works with 1 x AAA alkaline battery (battery not included)Connectors: 2 connectors(work with 1/4in thread pipeline product cable)Product Size: 26.5x69mm / 1x2.7inThread: 1/4in-20Operating Frequency: 512HzOperating Temperature: -20?-54?How to Use:1. Install one AAA alkaline battery (battery not included).2. The operation is simple. Tighten/loosen the battery to turn the transmitter on/off.packing list:1 x 512Hz Pipe Inspection Transmitter1 x Connector1 x Manual