{"id":30306,"date":"2026-08-07T19:45:06","date_gmt":"2026-08-07T18:45:06","guid":{"rendered":"https:\/\/innovogroup.eu\/?post_type=product&#038;p=30306"},"modified":"2026-11-08T05:50:14","modified_gmt":"2026-11-08T04:50:14","slug":"sonoff-airguard-th-snzb-02dr2-zigbee-lcd-temperature-and-humidity-sensor","status":"publish","type":"product","link":"https:\/\/innovogroup.eu\/en\/product\/sonoff-airguard-th-snzb-02dr2-zigbee-lcd-temperature-and-humidity-sensor\/","title":{"rendered":"Sonoff AirGuard TH SNZB-02DR2 ZigBee LCD Temperature and Humidity Sensor"},"content":{"rendered":"<h3>ZigBee LCD Temperature and Humidity Sensor Sonoff AirGuard TH SNZB-02DR2<\/h3>\n<p>Sonoff AirGuard TH SNZB-02DR2 is a smart ZigBee temperature and humidity sensor with a large 3.6&quot; LCD display that shows current conditions, daily maximum and minimum values, and air comfort level in real time. It combines laboratory precision (\u00b10.2\u00b0C \/ \u00b12% 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\u2014no guessing, no assumptions, no unnecessary complications.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>Clear and large 3.6&quot; LCD screen<\/h3>\n<p>The 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&#039;t need to open an app or reach for your phone \u2013 the information is always at your fingertips, exactly when you need it.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>Precise premium sensor \u2013 Sensirion SHT40<\/h3>\n<p>At 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 \u2013 because when it comes to comfort, there is no room for chance.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>ZigBee 3.0 \u2013 smart automation without cables<\/h3>\n<p>Thanks 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 \u2013 eg, turning on a humidifier when the air is too dry or ventilation when humidity is excessive. It&#039;s a smart home that takes care of your comfort before you even notice a problem.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>Data history and analytics<\/h3>\n<p>AirGuard TH records measurements and presents them in the form of clear graphs, allowing you to track changes over time \u2013 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.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>Works with your smart home system<\/h3>\n<p>The 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.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>Proximity mode \u2013 use even without a gateway<\/h3>\n<p>Don&#039;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 \u00b0C\/\u00b0F units, or export data. It&#039;s the perfect solution for those who want to start with simple monitoring and only later expand the system with automation.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>Compact design and versatile application<\/h3>\n<p>The 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 \u2013 in the bedroom, children&#039;s room, greenhouse, pantry, basement, warehouse, or office. A wide operating range (-20\u00b0C to 60\u00b0C, 5\u201395% 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.<\/p>\n<p>\n<img decoding=\"async\" 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\" \/>\n<\/p>\n<h3>Included<\/h3>\n<ul class=\"list-disc pl-5\">\n<li>ZigBee LCD Sonoff AirGuard TH SNZB-02DR2 Temperature and Humidity Sensor<\/li>\n<li>User manual<\/li>\n<\/ul>\n<div class=\"table-wrapper\">\n<p>\u00a0<\/p>\n<h3><\/h3>\n<table>\n<tbody>\n<tr>\n<th>Manufacturer<\/th>\n<td>Sonoff<\/td>\n<\/tr>\n<tr>\n<th>Model<\/th>\n<td>SNZB-02DR2 (AirGuard TH)<\/td>\n<\/tr>\n<tr>\n<th>Device type<\/th>\n<td>Smart temperature and humidity sensor (ZigBee + Bluetooth)<\/td>\n<\/tr>\n<tr>\n<th>Wireless connectivity<\/th>\n<td>ZigBee 3.0 (IEEE 802.15.4) + Bluetooth (Proximity Mode)<\/td>\n<\/tr>\n<tr>\n<th>Display<\/th>\n<td>3.6&quot; high-contrast LCD<\/td>\n<\/tr>\n<tr>\n<th>Data displayed on screen<\/th>\n<td>Current temperature<br \/>Current humidity<br \/>Min\/max 24h<br \/>Comfort index<br \/>Battery status<\/td>\n<\/tr>\n<tr>\n<th>Measuring sensor<\/th>\n<td>Sensirion SHT40<\/td>\n<\/tr>\n<tr>\n<th>Temperature measurement accuracy<\/th>\n<td>\u00b10.2\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Humidity measurement accuracy<\/th>\n<td>\u00b12% RH<\/td>\n<\/tr>\n<tr>\n<th>Temperature measurement range<\/th>\n<td>-20\u00b0C ~ 60\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Humidity measurement range<\/th>\n<td>5\u201395% RH (non-condensing)<\/td>\n<\/tr>\n<tr>\n<th>Temperature units<\/th>\n<td>\u00b0C \/ \u00b0F (switchable)<\/td>\n<\/tr>\n<tr>\n<th>Data logging<\/th>\n<td>Measurement history<br \/>graphs, min\/max<br \/>daily and long-term statistics (up to approx. 6 months in the app)<\/td>\n<\/tr>\n<tr>\n<th>Additional analyzes in the app<\/th>\n<td>Dew point, VPD, comfort level<\/td>\n<\/tr>\n<tr>\n<th>Notifications<\/th>\n<td>Alerts for exceeding temperature and humidity thresholds<\/td>\n<\/tr>\n<tr>\n<th>Power supply<\/th>\n<td>3.0 V DC<\/td>\n<\/tr>\n<tr>\n<th>Battery type<\/th>\n<td>2 \u00d7 AAA \/ LR03 1.5V<\/td>\n<\/tr>\n<tr>\n<th>Microcontroller (MCU)<\/th>\n<td>TLSR8656F512ET32<\/td>\n<\/tr>\n<tr>\n<th>Housing material<\/th>\n<td>PC + ABS<\/td>\n<\/tr>\n<tr>\n<th>Color<\/th>\n<td>White<\/td>\n<\/tr>\n<tr>\n<th>Dimensions<\/th>\n<td>95 \u00d7 70 \u00d7 18.2 mm<\/td>\n<\/tr>\n<tr>\n<th>Weight<\/th>\n<td>99.3 g (with batteries)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>ZigBee LCD Temperature and Humidity Sensor Sonoff AirGuard TH SNZB-02DR2 Sonoff AirGuard TH SNZB-02DR2 is a smart ZigBee temperature and humidity sensor with a large 3.6&quot; LCD display that shows current conditions, daily maximum and minimum values, and air comfort level in real time. It combines laboratory precision (\u00b10.2\u00b0C \/ \u00b12% RH), modern wireless connectivity, [&hellip;]<\/p>\n","protected":false},"featured_media":37466,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"product_brand":[483],"product_cat":[1978],"product_tag":[],"class_list":["post-30306","product","type-product","status-publish","has-post-thumbnail","product_brand-sonoff","product_cat-sensori-e-automazione","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/product\/30306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/comments?post=30306"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/media\/37466"}],"wp:attachment":[{"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/media?parent=30306"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/product_brand?post=30306"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/product_cat?post=30306"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/innovogroup.eu\/en\/wp-json\/wp\/v2\/product_tag?post=30306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}