Shelly
BLU Button Tough 1
A rugged, water- and dust-resistant battery button that triggers scenes and controls devices over Bluetooth Low Energy with multi-click actions. Sold in Bluetooth (BTHome) and Zigbee variants for flexible smart home control.
Works on integrations
Setup guides
Roles it can fill
Local over Bluetooth/BTHome, optionally relayed by a Shelly BLU Gateway; runs on a replaceable CR2032 coin cell (up to 2 years) with single, double, triple, and long-press actions. Also sold as a Zigbee variant (BLU Button Tough 1 ZB) for ZHA or Zigbee2MQTT; both are IP54 shock-, water-, and dust-resistant.