Kokonaut Mizu Wireless WiFi Temperature Humidity Thermometer Hygrometer Sensor Remote Monitor for Home & Garden with Alerts & Free App. 8-18 Month Battery.

When HN users recommended it

1 HN user recommended this in 2023, in one comment.

Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.