2 Pack SNZB-02P Zigbee Temperature and Humidity Sensor, Smart Temperature Sensor with Comfort Alarm, Zigbee Hygrometer Compatible with Alexa/Google Home/HA/IFTTT, Zigbee Hub Required.

I bought the SONOFF SNZB-02P Zigbee Temperature and Humidity Sensor (2-pack) for monitoring rooms in my smart home, and they’ve been excellent. Both sensors paired instantly with my Zigbee hub and were recognised straight away no messing around, no resets, just add and go. Readings update quickly and appear accurate when compared against other thermometers and hygrometers in the house. They’re small, discreet, and easy to place on shelves or mount. Battery-powered, low profile, and ideal for bedrooms, living spaces, or server/tech areas where you want reliable environmental monitoring. I’m using them with SONOFF Zigbee devices and Home Assistant, and they integrate perfectly. Automations based on temperature and humidity work exactly as expected. Great value for money, reliable, and do exactly what they’re supposed to. Highly recommended.

I’ve been using these SONOFF SNZB-02P sensors for about 6 weeks (bought 4 total) to monitor multiple rooms plus my loft space and server cabinet, feeding data into Home Assistant for temperature-spike logic/automations. They paired cleanly with my Home Assistant setup via ZHA and have been reliable so far - readings update consistently and they’ve been “fit and forget”. The only minor gotcha was firmware updating: like many battery-powered Zigbee devices, you need to physically wake the sensor (press the button) to keep it awake long enough for the update to complete. That’s not really a fault with the product, just how these devices behave. Battery is still showing 100% after ~6 weeks. Overall, excellent little sensors for the money.

Great little sensors. Super easy to set up with multiple mounting options. Perfect for use with home assistant which recognises and onboards them in seconds. They have the ability to calibrate them using a secondary proven device but were pretty much spot on straight out the box. They have been reliable providing readings for over a month now with no issues or signal drops* (*it is important to build out a reliable ZigBee mesh using bulbs/plugs etc). I will update if anything changes but initial reaction - 10/10

I've had several of these set up for a couple of years now, still running strong on the original batteries even with the increased reporting interval I configured. They paired without issue and produce reliable and accurate temperature readings. The humidity readings are also good, much improved, resolving the issues with Sonoff's original square sensors. Another big improvement is the magnetic mount, which will make changing the batteries much easier when they eventually run out. This would be a 5-star item if it wasn't for one thing: the magnetic metal mount plate really should be more discreet. I'm sure sonoff loves how it fits with their orange brand, but it's not what I really want when the sensor should be as invisble as possible.

Work exactly as described and connected to Home Assistant first time. I have a mixture of these and the ones with the display and all give consistent accurate readings.

Excellent Better range than previous model. More accurate and fewer dropouts

Really easy to connect to my Pi with ezsp controller. I've put one in every room in the house. Reports battery level, temperature and humidity. Neat small and rugged design, like a little disk. They come with a choice of mounting options, a magnet in the back of the sensor and a metal bracket you can screw or double sided sticky to a wall or cabinet.

Running with a Sonoff Zigbee dongle. These devices apparently have 3 modes of operation: Not updating temperature or humidity regardless of changes in environment; updating humidity at 5 min intervals (but not temperature); unavailable. They pair readily enough, but thereafter will probably do nothing. Resetting them doesn't work, nor does removing the battery for a while. This isn't range. They're right beside the dongle for testing. This isn't compatibility (unless Sonoff has managed to produce Zigbee devices that are incompatible with each other). This isn't battery. They're fundamentally unreliable to the point of unusable. It's difficult to assess accuracy when the fundamental communication isn't happening. This is - apparently - well known as an issue with these. I've bought some competing devices and have no problem with them. I would strongly recommend avoiding these.

Avec l'app Smartlife (+hub loratap) la connexion était instable et je n'ai jamais pu l'utiliser correctement. Depuis que j'ai Home Assistant, le capteur est parfaitement reconnu et utilisable notamment pour des automatisations de ventilation en fonction de l'humidité. Depuis un an la pile n'a pas encore dû être changée.

Sensori facili da abbinare e con una rilevazione precisa

Die Temperatur- und Feuchtigkeitssensoren machen einen hochwertigen Eindruck. Verarbeitung und Haptik sind deutlich besser als bei vielen vergleichbaren Modellen. Die magnetische Befestigung ist praktisch, und die kleine Wandhalterung zum Aufkleben ist gut durchdacht. Die Einbindung in Home Assistant funktioniert ohne Aufwand. Insgesamt ein zuverlässiges Set, mit dem ich sehr zufrieden bin.

Worked straight in with Ikea diregera smart hub.

He adquirido este pack de dos sensores de temperatura y humedad SNZB-02P para monitorizar las dos estancias clave de mi casa: el baño y el dormitorio principal, y la experiencia tras integrarlos en mi sistema domótico ha sido impecable. El acabado circular es mucho más estético y moderno que el modelo anterior. Además, la base magnética y el adhesivo 3M facilitan mucho su colocación en cualquier rincón sin que desentone. Los he emparejado mediante Zigbee2MQTT (también funcionan perfecto con ZHA) y la integración es nativa. Te reporta temperatura, humedad y el nivel de batería de forma muy estable. Al ser Zigbee 3.0, no saturan mi red Wi-Fi y actúan de forma local y privada. Si usas Home Assistant, no busques más. Por este precio, tener dos sensores con tecnología Zigbee 3.0, buena autonomía de batería y una tasa de refresco tan fiable es una compra maestra. Ideales tanto para confort climático como para prevenir humedades.