Zigbee 3.0 Wireless Temp & Humidity Monitor with Waterproof External Probe (-40°C to 125°C) for Fish Tank, Fridge & Greenhouse

$17.99 USD
Shipping calculated at checkout.
protocol: zigbee 3.0
100 in stock, ready to ship

Product Overview

Monitor ambient indoor climate and liquid/enclosed space temperatures with extreme precision. Featuring a dual-detection system, this smart sensor combines a built-in room temperature/humidity monitor with a high-accuracy, waterproof NTC external probe capable of measuring extreme environments from -40°C to +125°C (-40°F to +257°F).

Whether you need to maintain proper temperatures for aquariums, fish tanks, wine cellars, freezers, brewing vats, or greenhouses, this compact Zigbee sensor provides reliable, real-time automation and instant alerts.

Choose Your Protocol Version 

Please select the model that matches your smart home ecosystem setup:

  • Standard Zigbee 3.0 Version (Home Assistant Native):

    Designed for power users and open-source smart home platforms. Works seamlessly with Home Assistant via Zigbee2MQTT and ZHA for 100% local, fast, and secure automation.

  • Tuya Zigbee Version:

    Fully compatible with Tuya / Smart Life Zigbee Gateways as well as Home Assistant. Ideal for users who want effortless app setup and cloud notifications via Smart Life or Tuya ecosystem.

Key Features 

  • Dual Environment & Liquid Detection:

    Monitors internal room air temperature and humidity while simultaneously tracking liquid or deep-freeze temperatures via the extended waterproof probe.

  • Waterproof Stainless Steel NTC Probe:

    Features an IP67 waterproof, corrosion-resistant probe built to withstand extreme temperatures ranging from -40°C to 125°C, perfect for direct water immersion.

  • Seamless Smart Home Automation:

    Set custom triggers in Home Assistant or Tuya. Automatically turn on aquarium heaters, fridge alarms, or greenhouse ventilation when thresholds are crossed.

  • Ultra-Low Power & Long Battery Life:

    Powered by 2 x AAA batteries (not included). Thanks to efficient Zigbee mesh networking, enjoy long-lasting performance without annoying frequent battery changes.

  • Hassle-Free Wireless Installation:

    Includes strong adhesive mounting pads. Mount the sensor unit vertically on any wall, glass, or flat surface without drilling or hardwiring.

Technical Specifications 

Feature Specification
Wireless Protocol Zigbee 3.0
Compatibility Home Assistant (Zigbee2MQTT / ZHA) / Tuya Zigbee Gateway
Probe Type Waterproof Stainless Steel NTC Probe
Probe Temp Range -40°C to +125°C (-40°F to +257°F)
Power Supply 2 x AAA Batteries
Mounting Wall-mount Adhesive Backing
Applications Fish Tanks, Aquariums, Fridges/Freezers, Wine Cellars, Greenhouses, Brewing

What’s in the Box? 

  • 1x Zigbee Smart Temperature & Humidity Sensor Unit

  • 1x External Waterproof NTC Temperature Probe Cable

  • 1x Wall Mounting Adhesive Sticker

  • 1x User Manual

protocol: zigbee 3.0