Sonoff SNZB-02LD Zigbee IP65 LCD smart thermometer with probe

Sonoff Zigbee LCD Smart Thermometer - Probe version (SNZB-02LD)

The SNZB-02LD is a Zigbee-compatible smart thermometer with LCD display and IP65 protection, making it a reliable choice even in wet or spray environments. The probe is made of food-safe 304 stainless steel and is resistant to both high and low temperatures. The 2.2" LCD display clearly shows the current temperature in °C or °F. Thanks to its UV-resistant design, it can withstand prolonged exposure to direct sunlight. The 1.5 metre long external probe allows temperature measurement in confined spaces or liquids - even where conventional sensors cannot reach.

The SNZB-02LD is compatible with Zigbee 3.0 control panels such as SONOFF iHost, NSPanel Pro, ZBBridge-P, ZBBridge-U, ZBDongle-E, ZBDongle-P, as well as Echo 4th generation, Echo Show 2nd generation and Echo Plus 2nd generation. It also integrates with open source platforms such as Home Assistant using the SONOFF ZBDongle series - enabling a fully customised temperature control system.

V eWeLink app you can view temperature data on a daily, monthly or half-yearly basis, with up to 180 days of storage. Graphs are shareable and exportable as needed. You can also set up smart scenes, receive alerts when unusual temperatures occur or automate other devices based on measurements.

Whether it is food safety, pet care, wine storage or greenhouse climate controlThe SNZB-02LD provides precise and intelligent temperature control for all situations.

Key features

• Large, easy-to-read LCD display: It shows real temperature and humidity values, including from the probe.
• External probe: It allows more accurate measurements, especially in areas with low airflow.
• Zigbee 3.0 protocol: A stable and reliable connection for integration into any smart home.
• Real-time alerts: Immediate notifications when temperature or humidity exceeds set limits.
• Data history and graphs: View past measurements and trends on your smartphone.
• Wide measuring range:
  • Temperature: -40°C to +115°C (with probe)
  • Humidity: 0 % to 99 % RH

Integration and compatibility

The device is fully compatible with Sonoff Zigbee Gateways and others Zigbee 3.0 control panelssuch as:

• Amazon Alexa (Echo Hub devices)
• Samsung SmartThings
• Home Assistant (ZHA, Zigbee2MQTT)
• Tuya Zigbee gateways

It works with any smart home that supports Zigbee 3.0, making it easy to integrate into automation rules - for example, to control heating or dehumidification based on temperature measurements.

In conjunction with the Sonoff Zigbee Bridge, the device sends data to the eWeLink cloud, allowing other Sonoff or SmartWise Wi-Fi and eWeLink compatible devices to be managed based on the measured values.

Equipped with a Swiss hygrometer, the SNZB-02LD offers even more accurate measurements than its predecessor. It measures temperature to ±0.2°C (±0.4°F) and humidity to ±2 % RH, with data refreshed every 5 seconds by the combined sensor.

Technical specifications

• Model: SNZB-02LD
• Communication protocol: Zigbee 3.0
• Zigbee compatibility: SONOFF ZBBridge-P/U, NSPanel Pro, iHost, ZBDongle-E/P, Amazon Echo (4th generation, Echo Plus 2nd gen, Echo Show 2nd gen)
• Display: 2,2″ LCD
• Unit: °C / °F (optional)
• Power supply: CR2477 battery (up to 2 years autonomy)
• Temperature measuring range: with probe: -40°C to +115°C
• Moisture measuring range: 0 % - 99 % RH
• Measurement accuracy:
  • Temperature: ±0.2°C
  • Humidity: ±2 % RH
• Probe length: 1,5 metres
• Probe material: Stainless steel 304 (suitable for food contact)
• Protection level: IP65 (splash and dustproof)
• UV resistant: Yes, suitable for outdoor use
• Data storage: Up to 180 days of temperature data in the eWeLink app
• Mobile app: eWeLink (iOS / Android)
• Supported features:
  • Real-time temperature and humidity display
  • Warnings for unusual values
  • Flexible automation