{"id":28761,"date":"2025-08-29T09:45:38","date_gmt":"2025-08-29T07:45:38","guid":{"rendered":"https:\/\/monraspberry.com\/?post_type=product&#038;p=28761"},"modified":"2026-11-09T05:06:37","modified_gmt":"2026-11-09T04:06:37","slug":"sonoff-zigbee-temperature-and-humidity-sensor","status":"publish","type":"product","link":"https:\/\/monraspberry.com\/en\/produit\/sonoff-capteur-de-temperature-et-dhumidite-zigbee\/","title":{"rendered":"Sonoff Zigbee temperature and humidity sensor"},"content":{"rendered":"<p data-start=\"278\" data-end=\"486\">The <strong data-start=\"281\" data-end=\"300\">Sonoff SNZB-02P<\/strong> is a Zigbee 3.0 sensor designed to accurately measure temperature and relative humidity in a <strong data-start=\"413\" data-end=\"450\">Raspberry Pi-driven home automation setup<\/strong>. It comes in two variants:<\/p>\n<ul>\n<li data-start=\"490\" data-end=\"586\"><strong data-start=\"490\" data-end=\"523\">Standard version (no screen)<\/strong> : simple, compact format, ideal for discreet integration.<\/li>\n<li data-start=\"589\" data-end=\"726\"><strong data-start=\"589\" data-end=\"611\">Version with screen<\/strong> : features a small LCD screen to display readings locally, handy for a quick visual check.<\/li>\n<\/ul>\n<h3 data-start=\"728\" data-end=\"757\">Performance and accuracy<\/h3>\n<ul>\n<li data-start=\"761\" data-end=\"800\"><strong data-start=\"761\" data-end=\"776\">Temperature<\/strong> : accuracy of \u00b10.2 \u00b0C.<\/li>\n<li data-start=\"803\" data-end=\"848\"><strong data-start=\"803\" data-end=\"824\">Relative humidity<\/strong> : accuracy of \u00b12 % RH.<\/li>\n<li data-start=\"851\" data-end=\"947\">Data refreshed very frequently (up to every 5 seconds depending on configuration).<\/li>\n<\/ul>\n<h3 data-start=\"949\" data-end=\"969\">Long autonomy<\/h3>\n<ul>\n<li data-start=\"973\" data-end=\"1081\">This sensor is powered by a coin cell battery <strong data-start=\"1010\" data-end=\"1020\">CR2477<\/strong>, offering a <strong data-start=\"1034\" data-end=\"1063\">battery life of around 4 years<\/strong> in typical use.<\/li>\n<li data-start=\"1084\" data-end=\"1244\">It features an ultra-low-power design thanks to optimized Zigbee communication and stays in standby until the readings change significantly.<\/li>\n<\/ul>\n<h3 data-start=\"1246\" data-end=\"1272\">Design and installation<\/h3>\n<ul>\n<li data-start=\"1276\" data-end=\"1352\"><strong data-start=\"1276\" data-end=\"1290\">Without screen<\/strong> : discreet, compact and lightweight housing (~45 \u00d7 45 \u00d7 17 mm, 27 g).<\/li>\n<li data-start=\"1355\" data-end=\"1476\"><strong data-start=\"1355\" data-end=\"1369\">With display<\/strong> : similar but fitted with a small LCD screen for local display, perfect for a room without a computer.<\/li>\n<li data-start=\"1479\" data-end=\"1539\">Mounting with double-sided adhesive, screws or magnetic bracket.<\/li>\n<\/ul>\n<h3 data-start=\"1541\" data-end=\"1572\">Local Zigbee operation<\/h3>\n<p data-start=\"1574\" data-end=\"1736\">Compatible with a Zigbee gateway (such as a USB dongle on a Raspberry Pi), it sends its readings automatically. It operates autonomously and enables:<\/p>\n<ul>\n<li data-start=\"1740\" data-end=\"1835\"><strong data-start=\"1740\" data-end=\"1767\">Local automations<\/strong> (via Home Assistant, Node-RED, MQTT\u2026) even without an internet connection.<\/li>\n<li data-start=\"1838\" data-end=\"1909\"><strong data-start=\"1838\" data-end=\"1858\">Internal alerts<\/strong> : notification when a set threshold is exceeded.<\/li>\n<li data-start=\"1912\" data-end=\"1983\"><strong data-start=\"1912\" data-end=\"1955\">Data history and visualization<\/strong> in local dashboards.<\/li>\n<\/ul>\n<h3 data-start=\"1985\" data-end=\"2024\">Home automation uses with Raspberry Pi<\/h3>\n<ul>\n<li data-start=\"2028\" data-end=\"2139\"><strong data-start=\"2028\" data-end=\"2057\">Automated climate control<\/strong> : switch on a fan or the ventilation system if the temperature exceeds a threshold.<\/li>\n<li data-start=\"2142\" data-end=\"2263\"><strong data-start=\"2142\" data-end=\"2176\">Indoor health management<\/strong> : alert if humidity is too high (risk of mold) or too low (dry air).<\/li>\n<li data-start=\"2266\" data-end=\"2404\"><strong data-start=\"2266\" data-end=\"2290\">Visual integration<\/strong> : the screen version lets you check temperature\/humidity instantly without opening Home Assistant.<\/li>\n<li data-start=\"2407\" data-end=\"2531\"><strong data-start=\"2407\" data-end=\"2438\">Predefined automations<\/strong> : close the shutters at night if humidity is too low, trigger a humidifier, etc.<\/li>\n<\/ul>\n<h3 data-start=\"2533\" data-end=\"2560\">Robustness and consistency<\/h3>\n<ul>\n<li data-start=\"2564\" data-end=\"2612\">Operating temperature: -10 \u00b0C to +60 \u00b0C.<\/li>\n<li data-start=\"2615\" data-end=\"2657\">Humidity: 5 % to 95 % (non-condensing).<\/li>\n<li data-start=\"2660\" data-end=\"2767\">Designed to prevent false triggers and ensure reliable data over time.<\/li>\n<\/ul>\n<h3 data-start=\"2769\" data-end=\"2788\">Comparison<\/h3>\n<div class=\"_tableContainer_1rjym_1\">\n<div class=\"_tableWrapper_1rjym_13 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2790\" data-end=\"3418\">\n<thead data-start=\"2790\" data-end=\"2893\">\n<tr data-start=\"2790\" data-end=\"2893\">\n<th data-start=\"2790\" data-end=\"2816\" data-col-size=\"sm\">Features<\/th>\n<th data-start=\"2816\" data-end=\"2854\" data-col-size=\"sm\">Version without screen<\/th>\n<th data-start=\"2854\" data-end=\"2893\" data-col-size=\"sm\">Version with screen<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2999\" data-end=\"3418\">\n<tr data-start=\"2999\" data-end=\"3103\">\n<td data-start=\"2999\" data-end=\"3025\" data-col-size=\"sm\">Local display<\/td>\n<td data-start=\"3025\" data-end=\"3064\" data-col-size=\"sm\">No<\/td>\n<td data-start=\"3064\" data-end=\"3103\" data-col-size=\"sm\">Yes (built-in LCD)<\/td>\n<\/tr>\n<tr data-start=\"3104\" data-end=\"3208\">\n<td data-start=\"3104\" data-end=\"3130\" data-col-size=\"sm\">At-a-glance readability<\/td>\n<td data-start=\"3130\" data-end=\"3169\" data-col-size=\"sm\">Requires an external interface<\/td>\n<td data-col-size=\"sm\" data-start=\"3169\" data-end=\"3208\">Direct display of readings<\/td>\n<\/tr>\n<tr data-start=\"3209\" data-end=\"3313\">\n<td data-start=\"3209\" data-end=\"3235\" data-col-size=\"sm\">Discreet design<\/td>\n<td data-start=\"3235\" data-end=\"3274\" data-col-size=\"sm\">Ideal for a wall or a corner<\/td>\n<td data-col-size=\"sm\" data-start=\"3274\" data-end=\"3313\">Displays data visually<\/td>\n<\/tr>\n<tr data-start=\"3314\" data-end=\"3418\">\n<td data-start=\"3314\" data-end=\"3340\" data-col-size=\"sm\">Home automation features<\/td>\n<td data-start=\"3340\" data-end=\"3379\" data-col-size=\"sm\">identical<\/td>\n<td data-start=\"3379\" data-end=\"3418\" data-col-size=\"sm\">identical<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"3475\" data-end=\"3545\">Zigbee sensor for T\u00b0 (\u00b10.2 \u00b0C) &amp; humidity (\u00b12 % RH), quick updates<\/li>\n<li data-start=\"3548\" data-end=\"3610\">Two versions: <strong data-start=\"3564\" data-end=\"3578\">without a screen<\/strong> and <strong data-start=\"3582\" data-end=\"3600\">with LCD screen<\/strong> integrated<\/li>\n<li data-start=\"3613\" data-end=\"3696\">Perfect for home automation with Raspberry Pi: alerts, automation, local display<\/li>\n<\/ul>","protected":false},"featured_media":28762,"template":"","meta":[],"product_brand":[444],"product_cat":[441],"product_tag":[],"class_list":["post-28761","product","type-product","status-publish","has-post-thumbnail","product_brand-sonoff","product_cat-capteurs-detecteurs-maison-connectee-domotique-iot","first","instock","taxable","shipping-taxable","purchasable","product-type-variable","add-to-wishlist-after_add_to_cart"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/product\/28761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/product\/28761\/revisions"}],"predecessor-version":[{"id":33685,"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/product\/28761\/revisions\/33685"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/media\/28762"}],"wp:attachment":[{"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/media?parent=28761"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/product_brand?post=28761"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/product_cat?post=28761"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/monraspberry.com\/en\/wp-json\/wp\/v2\/product_tag?post=28761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}