SONOFF SNZB-02D Zigbee LCD 스마트 온습도 센서

Finally stopped opening my wine fridge just to check the temp—the little screen shows it instantly from across the kitchen, and the app updates are spot-on when I’m upstairs. Humidity readings match my standalone hygrometer within a couple percent, so I trust it for my cheese drawer now. The battery

The 5-second refresh is legit—I checked it against a wired thermometer and it matched every time. The screen is easy to read from across the room, and the 120m range covers my whole kitchen without dropouts.

I was skeptical about the 5-second refresh rate, but it genuinely updates that fast, which makes checking my fermenting dough a breeze. The 120m range even reaches my garage from the kitchen router, and the humidity readings match my standalone hygrometer almost perfectly.