Aqara Water Leak Sensor T1 vs Shelly Flood Gen4

The Shelly Flood Gen4 wins overall, thanks to its longer warranty, broader connectivity, and built-in alert sound and light. The Aqara Water Leak Sensor T1 remains the more affordable and higher-rated of the two.

Connectivity and included accessories. The Shelly Flood Gen4 supports WiFi, Bluetooth, Zigbee, and Matter plus ships with an extendable sensor cable, while the Aqara Water Leak Sensor T1 relies solely on Zigbee through an Aqara Hub and has no included cable.

The Shelly Flood Gen4 does, with a built-in buzzer and LED indicator. The Aqara Water Leak Sensor T1 has no on-device alert sound or light.

Yes, its IP67 rating beats the Shelly Flood Gen4's IP44 rating, making the Aqara sensor the better choice for wetter environments.

Buyers who want maximum protocol flexibility across WiFi, Zigbee, Bluetooth, and Matter, plus an extendable sensor cable and local alerts, and don't mind a higher price.

Budget-focused buyers already in the Aqara ecosystem who want a cheaper, better-rated, more weather-resistant sensor.