{"product_id":"sonoff-airguard-series-e-ink-zigbee-temperature-humidity-sensor-snzb-02ul","title":"SONOFF AirGuard Series E-Ink Zigbee Temperature Humidity Sensor | SNZB-02UL","description":"\u003cp\u003eThe \u003cstrong\u003eSONOFF SNZB-02UL\u003c\/strong\u003e (AirGuard) is a Zigbee temperature and humidity sensor with a 2.9-inch E-Ink screen. On its own it shows the current reading and the last 6 hours. Paired to a hub, the screen can also show time, date, weather, and a comfort icon.\u003c\/p\u003e\n\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.9\" E-Ink display\u003c\/strong\u003e, readable in bright light, nearly 180° viewing angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensirion sensor\u003c\/strong\u003e: about ±0.2°C and ±2% RH, refresh about every 5 seconds\u003c\/li\u003e\n\u003cli\u003eButton shows the past 6 hours of temperature and humidity on the screen\u003c\/li\u003e\n\u003cli\u003eZigbee 3.0 (TLSR8258). Needs a Zigbee hub for app, scenes, and extra screen data\u003c\/li\u003e\n\u003cli\u003eHome Assistant through Zigbee2MQTT or ZHA with a SONOFF dongle or other coordinator\u003c\/li\u003e\n\u003cli\u003eStand, built-in magnet, wall holes, and adhesive pad\u003c\/li\u003e\n\u003cli\u003e2× AAA. SONOFF lists 8+ months on a gateway and 15+ months standalone (lab figures)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; max-width: 900px;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSONOFF SNZB-02UL (AirGuard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eTLSR8258\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadio\u003c\/td\u003e\n\u003ctd\u003eZigbee (IEEE 802.15.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e2.9-inch E-Ink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003eTemperature ±0.2°C (±0.4°F)\u003cbr\u003eHumidity ±2% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e2× AAA (LR03), 3 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking range\u003c\/td\u003e\n\u003ctd\u003e0–50°C\u003cbr\u003e5–95% RH, non-condensing\u003cbr\u003eIndoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e99.1 × 51.1 × 18.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e91 g with batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase\u003c\/td\u003e\n\u003ctd\u003ePC, white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × SNZB-02UL\u003c\/li\u003e\n\u003cli\u003e2 × AAA batteries (pull the insulation tab)\u003c\/li\u003e\n\u003cli\u003e1 × adhesive pad\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNOTES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandalone, the screen shows temperature, humidity, and 6-hour history. Time, date, weather, and remote readings need a Zigbee gateway or Home Assistant\u003c\/li\u003e\n\u003cli\u003eZigbee2MQTT supports it out of the box. Remote sensor and weather icons need a script. ZHA support is still limited until the native integration is merged\u003c\/li\u003e\n\u003cli\u003eDouble-press the back button to switch °C and °F\u003c\/li\u003e\n\u003cli\u003eE-Ink flashes when it refreshes, and it can hold the last image after the batteries are removed. Both are normal\u003c\/li\u003e\n\u003cli\u003eKeep it in 0–50°C. Outside that range the screen can ghost\u003c\/li\u003e\n\u003cli\u003eAlexa, Google, and Apple Home go through eWeLink or a SONOFF Matter bridge, not a direct connection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SONOFF","offers":[{"title":"Default Title","offer_id":67709236019479,"sku":"U0778","price":27.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1884\/2123\/files\/SNZB-02UL.webp?v=1791407481","url":"https:\/\/ameridroid.com\/products\/sonoff-airguard-series-e-ink-zigbee-temperature-humidity-sensor-snzb-02ul","provider":"ameriDroid","version":"1.0","type":"link"}