Only 10 left in stock
With this Shelly H&T accessory, you can power your H&T via a micro USB cable with any 5V power adapter.
No more changing batteries. Keep your Shelly H&T going forever with this USB power add-on.
Get temperature and humidity readings up to every 5 minutes when using the USB power add-on.
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.
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