Nous E4 Smart Zigbee Water Leak Sensor (Tuya)

Code: E4
Works with FIBARO Works with Homey
Not rated Rating details
€14,99 €12,19 excl. VAT
In stock (16 pcs)
Delivery to:
16.06.2026
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Wireless Zigbee water leak sensor with IP65 rating. Instantly sends a push notification to your phone in case of a flood. Requires a Zigbee gateway (Tuya).

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Product detailed description

💧 Nous E4: Your Reliable Guardian Against Water Damage

The Nous E4 Zigbee smart water leak sensor provides perfect preventive security against property damage caused by flooding. Simply place the sensor on the floor beneath your washing machine, dishwasher, bathtub, sink, or boiler. The moment its bottom-mounted metal contacts detect the presence of water, the sensor instantly fires a warning push notification directly to your smartphone.

IP65 Rated for Extreme Durability

The Nous water leak sensor is engineered to be fully water-resistant with an IP65 rating. This guarantees that it continues to operate reliably and broadcast its emergency Zigbee signal even if the room is actively flooding and the sensor itself is completely submerged underwater.

Smart Home Automations

The device communicates via the highly stable and low-power Zigbee 3.0 protocol. By linking it to a smart gateway (such as the Nous E1), it integrates seamlessly with the Nous Smart Home, Smart Life, and Tuya mobile apps. This allows you to build powerful automation scenes. For example: "If the Nous sensor detects a leak, instantly trigger a smart water valve to shut off the main water supply, preventing a catastrophic flood."

Main Technical Features:

  • Wireless & Compact: The sensor is tiny (34 x 41 x 15 mm) and 100% wireless. Just place it wherever water leaks are likely to occur.
  • Battery Life: Powered by a standard 3V (CR2032) coin cell battery. Thanks to Zigbee technology, it offers months of standby battery life.
  • Protocol Range: Zigbee 3.0 provides a reliable connection range of up to 30 meters (depending on walls and obstacles).
  • Compatibility: Fully supports the Tuya ecosystem, Amazon Alexa, and Google Assistant. Additionally, the device is natively supported in the FIBARO HC3 system.

Important Note: This is a Zigbee device. To operate and connect to your smartphone app, it strictly requires a central Zigbee Gateway/Hub.

Additional parameters

Category: Tuya Smart Home
Warranty: 2 years
EAN: 5907772033883
? IP rating: IP65
? Wireless protocol: Zigbee
? Device color: White

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The Nous brand brings products specifically designed for the Tuya Smart (Smart Life) application, which is available for free for both Android and iOS. Installation is incredibly simple – once you download the app, you can immediately start adding your Wi-Fi devices.

If you plan to expand your smart home with Nous sensors, simply add the central E1 gateway to the app first. Nous products excel in their great price-to-quality ratio and are fully compatible with the widely used Tuya ecosystem.