Features 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. Specifications Item Type: Pipe Inspection Transmitter Material: ABS, steel Weight: Approx. 190g / 6.7oz Battery: 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 / 1x2.7in Thread: 1/4in-20 Operating Frequency: 512Hz Operating Temperature: -20℃-54℃ Package List 1 x 512Hz Pipe Inspection Transmitter 1 x Connector 1 x Manual