Features: 1.Waterproof probe, this detector can be used to detect wall studs, metal pipes, PVC pipes and even water pipes. 2.Wireless probe. It accurately locates hidden blockage, clogging inside the pipe and reminds you with a buzzing sound. 3.Adjustable sensitivity. The receiver can increase the sensing ability to the transmitter by adjusting its sensitivity. 4.Equipped with a USB cable and lithium battery, it is convenient to be charged by computers, power banks.