The stainless steel probe is anti-corrosion and it can be used outdoor. Easy installation and usage, suitable for home, farm, shop, etc. The liquid induction electrode detector can be used for the water immersion detection of the ground or the limited water level space. It can be connected to water leakage alarm controller, short message alarm, telephone dialing alarm and etc. Once water get in touch with the stainless steel probe, the circuit will be switched on and convey a signal to the alarm device.