Remote Monitoring & Automation: Compatible with Apple HomeKit (with HomeKit bridge, home WiFi stay online), and SmartThings, easy to set up, monitor water leaks remotely. Set triggers to control other Meross devices in the Meross app. e.g. once a leak is detected, the sensor will trigger Meross plug to turn off fish tank water pump. | IP67 Waterproof: Fully sealed IP67 waterproof and dustproof design, works well in high humidity environment, no rust, no short circuit, high sensitivity, no false alarm. Made of advanced nickel-plated carbon steel material, the water level detector alerts and stays in place when the water level rises beyond. | Real-time Alert & Precise Detection: Equipped with sensitive probes, the water level threshold is Only 0.5mm. Water leakage activates a real-time local audible and visual alarm, and phone app notifications. | 100M/328ft Transmission Distance: With SubG Wireless technology, 3X stronger and more stable signal transmission than WiFi and ZigBee/Thread Range, the sensor can effectively monitor water leakage even in the basement. | Superb Versatility: One hub can control up to 16 Meross sensors; low-power consumption (18+ months battery life); check data anytime or export them out via the Meross app.