5: engineering plastics and electronic components, it is resistant to aging and has a long service life 3 Simple Maintain: The water leak sensor is powered by replacable button battery not working well, disassemble the back for shell, check the battery, whether the motherboard plug is loose Fasten the plug or replace the battery will solve problems 6 Note: Please dry the probe with tissue after using Except for the probe, other parts cannot for touch water 2 Easy Use: Juck suck the sucket cup to the inside of fish for tank glass ( adjust the positon by your own demand), leave the alarm body outside When the feet of the detector was immersed by water, it will give alarms 1 Water Detector: The water sensor has two parts, alarm body and probe adhered to a sucket cup Once the probe is soaked by water, alarm sounds, Manufacturer: Kelisdi