| The FS-433E from Skylink will detect the presence of water and signal the Skylink alarm system or emergency dialer that there is a problem. The FS433E is perfect for detecting water/leaks for washing machines, hot water heaters, bath tubs, sump areas or basements. The FS433 uses secure rolling-code technology and runs on a long-life lithium battery(included). Compatible with SC-1000 or AD-433S |