Product detailed description

SONOFF SNZB-02WD – Zigbee LCD Temperature & Humidity Sensor

Keep a perfect overview of your home's indoor climate right before your eyes and directly on your smartphone. The Sonoff SNZB-02WD is an elegant wireless temperature and humidity sensor featuring a large 2.5-inch LCD display. Powered by the Zigbee 3.0 protocol, it acts not only as a sleek room thermometer but as the perfect trigger for your smart home automations—capable of turning on your heating, AC, or humidifier automatically.

Swiss-grade Precision & Rapid Response

The sensor boasts a high-quality Swiss-made measuring chip, guaranteeing extremely accurate readings. It records temperature changes with a tiny variance of just ±0.2°C, and humidity to within ±2% RH. The values on the screen and in the system refresh every 5 seconds, meaning your smart home reacts to climate shifts instantly. The eWeLink app securely logs up to 6 months of historical data, ready for export.

Technical Specifications:

• Connectivity: Zigbee 3.0 (fully compatible with Sonoff Zigbee Bridge, SmartThings, Alexa Echo hub, Home Assistant, and Homey PRO).
• Display: Local readings via the 2.5\ LCD screen + real-time data in your mobile app.
• Accuracy: Temperature ±0.2°C, Humidity ±2% RH (rapid 5-second polling interval).
• Alerts: Instant push notifications sent to your phone if custom high/low thresholds are breached or if the battery dips below 10%.
• Power Supply: 1× CR2450 coin cell battery (not included).
• Mounting Options: Highly versatile (magnetic back for fridges, 3M adhesive for walls, or a built-in kickstand for tables/shelves).