The Shelly H&T USB adapter is the ideal companion for your Shelly H&T.
The base simply replaces the previous battery compartment for the sensor. The Shelly H&T can now be powered permanently by means of a USB power supply via the USB interface.
USB adapter for Shelly H&T, white
Power supply for Shelly H&T, white
Power via standard USB power supply
Batteries are finally a thing of the past