{"product_id":"sonoff-zigbee-snzb-02dr2-temperature-and-humidity-sensor-2-pack","title":"SONOFF ZigBee SNZB-02DR2 Temperature and Humidity Sensor, 2-Pack","description":"\u003ch3\u003eSONOFF ZigBee SNZB-02DR2 Temperature and Humidity Sensor 2-Pack\u003c\/h3\u003e\n\u003cp\u003eThe Sonoff AirGuard TH SNZB-02DR2 is a smart ZigBee temperature and humidity sensor with a large 3.6” LCD display that shows current conditions, daily highs and lows, and air comfort levels in real time. It combines laboratory-grade precision (±0.2°C \/ ±2% RH), modern wireless connectivity, and energy-efficient battery operation in a single, compact device. With it, you always know whether 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 sits 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. A single glance is all it takes to check the temperature, humidity, min\/max values from the last 24 hours, and the graphical comfort indicator. You don’t have 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 dresser in a brightly lit room.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/3.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003ePrecise, premium-class sensor—Sensirion SHT40\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the device is the professional Sensirion SHT40 sensor, known for its use in industrial and measurement applications. It provides exceptionally stable and reliable readings, which translate into real benefits: better sleep conditions, healthier air for children, and protection for plants, food, and wine against excessive moisture. This is a device that measures accurately—because when it comes to comfort, there’s no room for chance.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"A disassembled Sonoff sensor with visible 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, Wireless Automation\u003c\/h3\u003e\n\u003cp\u003eThanks to ZigBee 3.0 connectivity, the sensor operates reliably, responds quickly, and consumes minimal energy. Once paired with the gateway, you can monitor data in the app, set alerts, and create automations—such as turning on a humidifier when the air is too dry or activating ventilation when humidity is too high. It’s a smart home that takes care of your comfort on its own before you even notice a problem.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"Two sensors monitoring temperature in the outdoor area and at the entrance to the house, with data displayed 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 displays them as easy-to-read 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’s a practical tool that helps you better plan ventilation, heating, and plant watering, and effectively prevent mold and excessive moisture.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"A smartphone in his hand displays an app with temperature and humidity graphs and a history of measurements.\" 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 like Alexa and Google Home, and the Matter Bridge ecosystem. You can check the temperature using voice commands, view data remotely, and turn devices on 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, while the sensor sits 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 it 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, switch between °C and °F, or export data. It’s the perfect solution for those who want to start with simple monitoring and expand the system with automation later.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The living room features 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 use\u003c\/h3\u003e\n\u003cp\u003eA slim housing made of durable PC+ABS, powered by two AAA batteries, and the option to stand it upright or hang it mean that the AirGuard TH fits literally anywhere—in a bedroom, a child’s room, a greenhouse, a pantry, a basement, a storage room, or an office. A wide operating range (-20°C to 60°C, 5–95% RH) ensures reliability in various conditions. This small device gives you great control over the comfort and safety of your environment every day.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"A Sonoff sensor is placed on the nightstand in the bedroom next to the bed, with temperature and humidity readings clearly visible.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19812\/26403\/8.jpg\"\u003e\n\u003c\/p\u003e\n\u003ch3\u003eIncluded in the set\u003c\/h3\u003e\n\u003cul class=\"list-disc pl-5\"\u003e\n\u003cli\u003eZigBee LCD Temperature and Humidity Sensor Sonoff AirGuard TH SNZB-02DR2 x2\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\u003e24-hour min\/max\u003cbr\u003eComfort indicator\u003cbr\u003eBattery status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor\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\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eProducer:\u003c\/strong\u003e Shenzhen Sonoff Technologies Co., Ltd. (CN)\u003cbr\u003e\u003cstrong\u003eAddress:\u003c\/strong\u003e Bulong Road, A, 518000, Shenzhen\u003cbr\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca href=\"mailto:support@itead.cc\"\u003esupport@itead.cc\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eEU Responsible Person:\u003c\/strong\u003e SONOFF TECHNOLOGY Deutschland GmbH\u003cbr\u003e\u003cstrong\u003eAddress:\u003c\/strong\u003e Breite Str. 22, 22, 40213, Düsseldorf\u003cbr\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca href=\"mailto:eurep@itead.cc\"\u003eeurep@itead.cc\u003c\/a\u003e\u003cbr\u003e","brand":"Sonoff","offers":[{"title":"Default Title","offer_id":53478657655131,"sku":"088080","price":31.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/0152\/3803\/files\/2ce226ab4e9b9109d6dba2826e187c27.jpg?v=1782897255","url":"https:\/\/prime-electronics.eu\/de\/products\/sonoff-zigbee-snzb-02dr2-temperature-and-humidity-sensor-2-pack","provider":"Prime Electronics","version":"1.0","type":"link"}