With this Shelly H&T accessory, you can power your H&T via a micro USB cable with any 5V power adapter.
Features:
Unlimited Power: No more changing batteries. Keep your Shelly H&T going forever with this USB power add-on.
More Frequent Readings: Get temperature and humidity readings up to every 5 minutes when using the USB power add-on.
Easy Setup: Just remove the battery and the bottom half of your Shelly H&T and replace them with this USB power add-on to get up and running.