Shelly Plus Smoke Alarm package size::Single Mains adapter yes

Mains adapter yes

With a minimalistic look and customizable home screen

A built-in transformer (230V) supplies the circuit board with the necessary power

Compact enough to fit behind most wall switches

Shelly Plus Smoke Alarm package size::Single Mains adapter yesSmart Wi Fi Smoke Alarm Shelly Plus Smoke Alarm is a smart photoelectric smoke alarm, which is effective at detecting slow fires that smoulder for hours before bursting into flame. Receive instant notifications on your phone and create safety scenes to keep your family and home safe. Battery operated 1x CR123A battery LED indications and loud alarm; Alarm pause (Hush mode) Low battery warning Easy installation Specifications: Physical Size (HxWxD):