High Sensitivity: This water leak detector is equipped with 2 top sensor probes and 4 bottom sensor probes to detect water leaks and floods; detects a minimum water level of 0.015 in ( 0.4 mm), providing an early warning of water damage with the LED flashing red
IP66 Waterproof: An IP66 waterproof rating allows for extended use in humid areas such as near common household water sources like a dishwasher, hot water heater, or washing machine; its durable structure and rust-proof exterior coating permit long-term use