The SONOFF SNZB-02P is a Zigbee 3.0 temperature and humidity sensor designed for precise, real-time environmental monitoring.  It offers ±0.2°C temperature and ±2% RH humidity accuracy with updates every 5 seconds, ensuring near-instant readings.  The sensor supports Zigbee 3.0 hubs, including SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, and compatible third-party hubs, enabling smart automation and voice assistant integration.  It stores up to 6 months of cloud-based historical data with easy export for trend analysis.  Powered by a long-life CR2477 battery, it provides up to 4 years of reliable operation without wiring. Key Features  High-Precision Temperature Monitoring±0.2°C / ±0.4°F accuracy, refreshes every 5 seconds for near real-time updates.  Accurate Humidity Detection±2% RH precision for consistent moisture level tracking.  Optional LCD DisplayView current temperature and humidity at a glance (model dependent).  Zigbee 3.0 ConnectivityCompatible with SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, and third-party Zigbee 3.0 hubs such as Echo 4th Gen and SmartThings Hub V3.  Instant Alerts & NotificationsReceive notifications on your smartphone when readings exceed preset thresholds.  Cloud History & Data ExportUp to 6 months of cloud storage. Daily, monthly, or half-year data trends are accessible and exportable.  Voice Assistant SupportAsk Alexa or Google Home for current readings.  Smart AutomationTrigger devices like fans, heaters, or humidifiers based on temperature and humidity thresholds.  Long Battery LifePowered by a CR2477 coin cell, offering up to 4 years of use under typical conditions. Technical Specifications Specification Details Model SONOFF SNZB-02P Protocol Zigbee 3.0 (IEEE 802.15.4) Temperature Range -10°C to +60°C Humidity Range 0–99% RH Accuracy ±0.2°C / ±0.4°F (temperature), ±2% RH (humidity) Data Refresh Rate Every 5 seconds Display LCD (optional) App Support eWeLink (iOS / Android) Voice Assistants Alexa, SmartThings (via Zigbee hub) Power CR2477 coin cell battery Battery Life Up to 4 years (typical use) Installation Wall-mount or tabletop Casing Materials PC Product Dimensions 45 × 45 × 17.7 mm Use Cases Home, office, nursery, storage, automation scenes Why Choose the SONOFF SNZB-02P?  Real-time, high-accuracy environmental monitoring Instant smartphone alerts for comfort and safety Optional LCD screen for quick on-site readings Compatible with smart assistants and Zigbee automation Supports cloud history with exportable data Long-lasting, low-maintenance battery operation

Read more less

Monitor your home’s indoor climate with precision and ease The SONOFF SNZB-02D is a smart temperature and humidity sensor that provides real-time environmental data to help optimize comfort and energy efficiency in your home. It can trigger automated actions for air conditioners, fans, humidifiers, or other connected devices based on the measured conditions, and sends instant alerts when critical thresholds are reached. Equipped with highly accurate sensors and long battery life, the SNZB-02D ensures reliable monitoring over extended periods. Its wide Zigbee compatibility allows seamless integration with a variety of smart home devices and ecosystems, enhancing convenience, safety, and intelligent automation throughout your home. Key Features  High AccuracyEquipped with a Swiss-made sensor, it delivers precise temperature (±0.2°C / ±0.4°F) and humidity (±2% RH) readings, updated every 5 seconds .  Large LCD DisplayClear, intuitive LCD shows live temperature, humidity, battery status, and room condition icons at a glance .  Remote Real-Time MonitoringTrack your home’s climate remotely via the eWeLink app, with coverage up to 120m/400ft in open spaces .  Instant App AlertsReceive push notifications when temperature or humidity exceeds preset levels, ensuring timely action .  Data Logging & ExportSupports up to 6 months of cloud storage ☁️. View hourly trends, historical highs/lows, and export data for analysis .  Zigbee 3.0 CompatibleWorks with SONOFF gateways (ZBBridge-P, NSPanel Pro, iHost) and integrates with Home Assistant via ZHA or Zigbee2MQTT .  Flexible Mounting OptionsIncludes a desk stand, magnetic back, and 3M adhesive for versatile placement .  Smart Scene AutomationTemperature or humidity changes can trigger smart devices automatically, such as humidifiers, fans, or AC units .  Works with Voice AssistantsCompatible with Alexa, Google Home, and Apple Home via Matter Bridge for hands-free control . Technical Specifications Specification Details Model SNZB-02D Protocol Zigbee 3.0 Display LCD Battery CR2450 (3V)  Temperature Range -10°C to +60°C  Humidity Range 10% – 90% RH  Accuracy ±0.2°C / ±2% RH App Support eWeLink (iOS/Android)  Voice Assistants Alexa, Google Home, SmartThings  Dimensions Compact desktop or wall-mount  Working Humidity 5–95% RH (non-condensing) Why Use SNZB‑02D  Real-time monitoring of indoor temperature and humidity for optimal comfort and health.  High-precision sensors ensure reliable data for smart automations.  Integrates with Zigbee hubs and smart home ecosystems for scene creation.  Long battery life and versatile mounting allow flexible placement.  Cloud storage and export capability for tracking historical trends and analysis.  Compatible with voice assistants for hands-free control and convenience.

Read more less