Feature:1. Waterproof design, its probe is sturdy and durable, with high protection level, which can handle various environmental conditions.2. Support sensitivity adjustment, it only needs two steps to accurately locate, and the sensitivity can be adjusted according to different scenes.3. Made of high quality and durable ABS material, it has impact resistance and scratch resistance, and has a long service life.4. Multi functional test, it can be used to detect steel, iron and PVC pipes, has a wide range of applications, and can be applied to high standard industrial tests.5. Equipped with 4 spare probes, which can be replaced at any time, which can extend the service life of the product and improve work efficiency.How to Use:Point 1. How to use:1. Put the signal wire and the transmitting wire end into the pipeline until the signal wire can't advance. At this time, the position of the probe is the blocking position.2. Turn on the power switch of the transmitter, the green indicator light is on.3. Turn on the power switch of the receiver, and hold the signal receiver to detect along the general direction of the buried pipe. If it is close to the inside of the pipeline, the receiver horn will make a buzzing sound. The