{"product_id":"sonoff-airguard-th-snzb-02dr2-zigbee-lcd-temperature-and-humidity-sensor","title":"Sonoff AirGuard TH SNZB-02DR2 ZigBee LCD Temperature and Humidity Sensor","description":"\u003ch3\u003eZigBee LCD Temperature and Humidity Sensor Sonoff AirGuard TH SNZB-02DR2\u003c\/h3\u003e\n\u003cp\u003eSonoff AirGuard TH SNZB-02DR2 is a smart ZigBee temperature and humidity sensor with a large 3.6\" LCD display that shows current conditions, daily maximum and minimum values, and air comfort level in real time. It combines laboratory precision (±0.2°C \/ ±2% RH), modern wireless connectivity, and energy-efficient battery operation in one compact device. With it, you always know if the room has a healthy microclimate—no guessing, no assumptions, no unnecessary complications.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The Sonoff AirGuard TH sensor stands on a wooden shelf and displays the temperature and humidity on a large LCD screen.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/7.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eClear and large 3.6\" LCD screen\u003c\/h3\u003e\n\u003cp\u003eThe clear, high-contrast display is designed so that the most important data is visible from a distance. One glance is enough to check the temperature, humidity, min\/max values for the last 24 hours, and a graphical comfort indicator. You don't need to open an app or reach for your phone – the information is always at your fingertips, exactly when you need it.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"An elderly man looks at the temperature and humidity sensor placed on a chest of drawers in a bright room.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/3.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003ePrecise premium sensor – Sensirion SHT40\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the device is the professional Sensirion SHT40 sensor, known for its industrial and measurement applications. It provides exceptionally stable and reliable readings, which translates into real benefits: better sleeping conditions, healthier air for children, and protection of plants, food, and wine from excessive moisture. This device measures accurately – because when it comes to comfort, there is no room for chance.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The Sonoff sensor is unfolded, showing the electronics and space for two AAA batteries inside the housing.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/4.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eZigBee 3.0 – smart automation without cables\u003c\/h3\u003e\n\u003cp\u003eThanks to ZigBee 3.0 connectivity, the sensor operates stably, responds quickly, and consumes a minimum of energy. Once paired with the gateway, you can monitor data in the app, set alerts, and create automations – e.g., turning on a humidifier when the air is too dry or ventilation when humidity is excessive. It's a smart home that takes care of your comfort before you even notice a problem.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"Two sensors monitoring the temperature in the outdoor area and at the entrance to the house with data preview on the screen.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/12.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eData history and analytics\u003c\/h3\u003e\n\u003cp\u003eAirGuard TH records measurements and presents them in the form of clear graphs, allowing you to track changes over time – with accuracy down to the minute. Daily, weekly, and multi-month statistics are available, as well as information on dew point and VPD. It is a practical tool that helps you better plan ventilation, heating, or plant watering and effectively prevent mold and excessive moisture.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"A smartphone in the hand shows an app with temperature and humidity graphs and measurement history.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/9.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eWorks with your smart home system\u003c\/h3\u003e\n\u003cp\u003eThe sensor integrates seamlessly with popular platforms and hubs: Sonoff, Home Assistant, Zigbee2MQTT, SmartThings, as well as voice assistants such as Alexa and Google Home, and the Matter Bridge environment. You can check the temperature with your voice, view data remotely, and turn on devices from anywhere. This gives you complete freedom and flexibility regardless of your chosen ecosystem.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"A woman checks the air parameters in the app, and the sensor stands on a backlit shelf in the kitchen.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/2.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eProximity mode – use even without a gateway\u003c\/h3\u003e\n\u003cp\u003eDon't have a ZigBee hub? No problem. In Proximity mode, you can connect directly to your smartphone via Bluetooth to check current parameters, calibrate the sensor, change °C\/°F units, or export data. It's the perfect solution for those who want to start with simple monitoring and only later expand the system with automation.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The living room has air conditioning and an air purifier automatically controlled by a temperature and humidity sensor.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/5.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eCompact design and versatile application\u003c\/h3\u003e\n\u003cp\u003eThe slim housing made of durable PC+ABS, powered by two AAA batteries, and the ability to stand or hang make the AirGuard TH suitable for literally anywhere – in the bedroom, children's room, greenhouse, pantry, basement, warehouse, or office. A wide operating range (-20°C to 60°C, 5–95% RH) ensures reliability in various conditions. It is a small device that gives you great control over the comfort and safety of your environment every day.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The Sonoff sensor is placed on the bedside table in the bedroom next to the bed, with visible temperature and humidity measurements.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/8.jpg\"\u003e\n\u003c\/p\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul class=\"list-disc pl-5\"\u003e\n\u003cli\u003eZigBee LCD Sonoff AirGuard TH SNZB-02DR2 Temperature and Humidity Sensor\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eSonoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eSNZB-02DR2 (AirGuard TH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice type\u003c\/th\u003e\n\u003ctd\u003eSmart temperature and humidity sensor (ZigBee + Bluetooth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWireless connectivity\u003c\/th\u003e\n\u003ctd\u003eZigBee 3.0 (IEEE 802.15.4) + Bluetooth (Proximity Mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e3.6\" high-contrast LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData displayed on screen\u003c\/th\u003e\n\u003ctd\u003eCurrent temperature\u003cbr\u003eCurrent humidity\u003cbr\u003eMin\/max 24h\u003cbr\u003eComfort index\u003cbr\u003eBattery status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasuring sensor\u003c\/th\u003e\n\u003ctd\u003eSensirion SHT40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature measurement accuracy\u003c\/th\u003e\n\u003ctd\u003e±0.2°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHumidity measurement accuracy\u003c\/th\u003e\n\u003ctd\u003e±2% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature measurement range\u003c\/th\u003e\n\u003ctd\u003e-20°C ~ 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHumidity measurement range\u003c\/th\u003e\n\u003ctd\u003e5–95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature units\u003c\/th\u003e\n\u003ctd\u003e°C \/ °F (switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData logging\u003c\/th\u003e\n\u003ctd\u003eMeasurement history\u003cbr\u003egraphs, min\/max\u003cbr\u003edaily and long-term statistics (up to approx. 6 months in the app)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional analyses in the app\u003c\/th\u003e\n\u003ctd\u003eDew point, VPD, comfort level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotifications\u003c\/th\u003e\n\u003ctd\u003eAlerts for exceeding temperature and humidity thresholds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e3.0 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery type\u003c\/th\u003e\n\u003ctd\u003e2 × AAA \/ LR03 1.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMicrocontroller (MCU)\u003c\/th\u003e\n\u003ctd\u003eTLSR8656F512ET32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHousing material\u003c\/th\u003e\n\u003ctd\u003ePC + ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e95 × 70 × 18.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e99.3 g (with batteries)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Sonoff","offers":[{"title":"Default Title","offer_id":53814462579025,"sku":"084496","price":17.0,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/www.great-technology.be\/products\/sonoff-airguard-th-snzb-02dr2-zigbee-lcd-temperature-and-humidity-sensor","provider":"Great Technology Srl ®","version":"1.0","type":"link"}