{"id":8471,"date":"2025-03-23T17:21:55","date_gmt":"2025-03-23T15:21:55","guid":{"rendered":"https:\/\/www.sigalou-domotique.fr\/?p=8471"},"modified":"2026-01-01T18:51:38","modified_gmt":"2026-01-01T16:51:38","slug":"je-teste-le-thermometre-zigbee-snzb-02p","status":"publish","type":"post","link":"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-le-thermometre-zigbee-snzb-02p","title":{"rendered":"I'm testing the Zigbee Sonoff Thermometer SNZB-02P"},"content":{"rendered":"<p><!-- PRESENTATION --><\/p>\n<h2>\ud83d\udd0d I check the received model<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/03\/snzb-02p-150x54.jpg\" alt=\"Box SNZB-02P\" width=\"150\" height=\"54\" \/><\/p>\n<p>The CR2450 battery is present in the box, it is announced for 4 years of battery life! (to be confirmed over time of course). It is new and protected by a tongue.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/03\/20250323_150527-scaled.jpg\" alt=\"Sensor view SNZB-02P\" width=\"459\" height=\"612\" \/><!--more--><\/p>\n<h3>\ud83c\udf21  Operating Temperatures<\/h3>\n<ul>\n<li>Operating temperature: -10 \u00b0C to 60 \u00b0C<\/li>\n<\/ul>\n<p><!-- COMPARATIF --><\/p>\n<h2>\ud83d\udcca Quick comparison: Sonoff SNZB-02P vs. other models<\/h2>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Average price<\/th>\n<th>Battery type<\/th>\n<th>Fastening<\/th>\n<th>LCD display<\/th>\n<th>Compatibility<\/th>\n<th>Autonomy announced<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Sonoff SNZB-02P<\/strong><\/td>\n<td>\u20ac14-16<\/td>\n<td>CR2450<\/td>\n<td>Double sided + magnetic plate<\/td>\n<td>No<\/td>\n<td>Zigbee2MQTT \/ HA<\/td>\n<td>4 years<\/td>\n<\/tr>\n<tr>\n<td>Aqara T\/H<\/td>\n<td>22\u201326 \u20ac<\/td>\n<td>CR2032<\/td>\n<td>Double-sided<\/td>\n<td>No<\/td>\n<td>Zigbee2MQTT \/ HA<\/td>\n<td>2 years<\/td>\n<\/tr>\n<tr>\n<td>Sonoff SNZB-02D<\/td>\n<td>18-22 \u20ac<\/td>\n<td>AAA<\/td>\n<td>Double sided + magnetized support<\/td>\n<td>Yes<\/td>\n<td>Zigbee2MQTT \/ HA<\/td>\n<td>2 years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- ACHAT --><\/p>\n<h2>\ud83d\uded2 Where to buy this equipment?<\/h2>\n<p>Here is the link to the page dedicated to <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/snzb-02p\/\" target=\"_blank\" rel=\"noopener\">SNZB-02P<\/a>. I referenced the sellers and prices.<\/p>\n<p><!-- PREMIERS CONTACTS --><\/p>\n<h2>\ud83d\udce6 First impressions and installation<\/h2>\n<p>The battery is large (CR2450), supposed to last 4 years. It is new and protected by a tongue. This sensor can be attached with the double side provided, but there is also a metal plate and a magnet for fast, clever and non-drilling installation \u2013 I love this system (already adopted on the <a href=\"https:\/\/www.sigalou-domotique.fr\/en\/je-teste-le-thermometre-sonoff-zigbee-snzb-02d\/\" target=\"_blank\" rel=\"noopener\">SNZB-02D<\/a> for the interior).<\/p>\n<p>The product looks promising, to be seen over time for autonomy and reliability.<\/p>\n<p><!-- INTEGRATION --><\/p>\n<h2>\ud83d\udd17 I integrate the sensor with Zigbee2MQTT<\/h2>\n<p>I put Zigbee2MQTT in pairing mode, I remove the tab from the \u2026 battery but the pairing goes wrong, I start again, mistake again. Finally, I press the sensor button for a long time and then the pairing starts correctly.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/03\/zn02p-01.png\" alt=\"Zigbee2MQTT detection of SNZB-02P\" width=\"767\" height=\"717\" \/><\/p>\n<p>The sensor is recognized as an SNZB-02P, perfect, and the battery goes up immediately (which is rare and appreciable).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/03\/zn02p-02.png\" alt=\"View Zigbee2MQTT\" width=\"444\" height=\"543\" \/><\/p>\n<p><!-- HOME ASSISTANT --><\/p>\n<h2>\ud83c\udfe0 I find the sensor in Home Assistant<\/h2>\n<p>I go to Home Assistant and find my equipment. Integration is immediate, temperature and humidity are present.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/03\/snzb-02-01.jpg\" alt=\"View Home Assistant of SNZB-02P\" width=\"672\" height=\"476\" \/><\/p>\n<p>Values seem reliable.<\/p>\n<p><!-- AUTOMATISATION --><\/p>\n<h2>\u2699  Some ideas for simple automations<\/h2>\n<p>Thanks to this sensor, I can:<\/p>\n<ul>\n<li>Receive a notification if the temperature drops below 16 \u00b0C in a room<\/li>\n<li>Turn on an additional heater automatically in case of cold<\/li>\n<li>Send a humidity alert if &gt;70\u00a0% in the bathroom<\/li>\n<\/ul>\n<p>All this can be accessed in just a few clicks via Home Assistant, no code to write.<\/p>\n<p><!-- ASTUCES --><\/p>\n<h2>\ud83d\udca1 Good to know: tips and advice<\/h2>\n<ul>\n<li><strong>Pairing problem?<\/strong> Feel free to press the button for a long time and bring the sensor closer to the Zigbee coordinator.<\/li>\n<li><strong>Battery at 100\u00a0% immediately?<\/strong> This is rare, take advantage of it, but monitor over time to verify the reliability of the measure.<\/li>\n<li><strong>Magnetic fastening<\/strong>\u00a0: convenient to move the sensor without damaging the walls.<\/li>\n<\/ul>\n<p><!-- AVIS --><\/p>\n<h2>\ud83d\udcac My opinion after commissioning<\/h2>\n<p>For less than 15 \u20ac, the Sonoff\u00a0<a href=\"https:\/\/www.sigalou-domotique.fr\/en\/product\/snzb-02p\/\" target=\"_blank\" rel=\"noopener\">SNZB-02P<\/a> is an excellent choice to track temperature and humidity, with very practical fixing and record theoretical autonomy. The Zigbee2MQTT and Home Assistant integration is worry-free once pairing is started.<\/p>\n<p>This product is promising, yet to be monitored for autonomy and reliability over time.<\/p>\n<p><!-- ARCHIVE \/ MODE D'EMPLOI --><\/p>\n<h2>\ud83d\udcd1 For archive: instructions for use (good luck!)<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/03\/recto-ther.jpg\" alt=\"Recto instructions for use\" width=\"1248\" height=\"817\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2025\/03\/verso-therm.jpg\" alt=\"Verso instructions for use\" width=\"1240\" height=\"782\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd0d I check the received model The CR2450 battery is present in the box, it is announced for 4 years of autonomy! (to be confirmed in the long term of course). It is new and protected by a tongue.<\/p>","protected":false},"author":1,"featured_media":8475,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14,53,108,68],"tags":[75],"class_list":["post-8471","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domotique","category-home-assistant","category-test-produit","category-zigbee-materiels","tag-thermometre"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts\/8471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/comments?post=8471"}],"version-history":[{"count":0,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts\/8471\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/media\/8475"}],"wp:attachment":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/media?parent=8471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/categories?post=8471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/tags?post=8471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}