The RUIKORING system solves the fundamental problem with basic leak alarms: you have to be home to hear them. This 5-pack with a dedicated hub connects directly to your WiFi, so a puddle under the water heater sends an alert to your phone immediately, no matter where you are.

Each puck-shaped detector is simple. Place it on the floor near a potential trouble spot—behind the toilet, under the kitchen sink, by the washing machine. The included AAA batteries power it for up to two years. When its metal probes sense moisture, a piercing 120dB local alarm sounds. The real value is the hub, which relays that alert through the Tuya Smart app within seconds. You can silence the siren remotely and assign each sensor a specific room name for clarity.

Setup requires a 2.4GHz WiFi network. The hub’s range is solid for a typical home, reliably linking all five sensors. While the app allows for basic smart home voice commands, its primary job is reliable notification. This system is straightforward insurance, letting you intercept a minor leak before it becomes a major disaster.