Shelly Plus I4

 Wi-Fi powered controller with 4 digital inputs for enhanced action control.

Shelly Plus i4 allows you to manually enable or disable each created scene,

 perform synchronized actions or execute complex trigger scenarios.

 The Shelly Plus i4 is equipped with an extremely fast processor and commands immediately

 the execution and notification of various actions. You can use Shelly Plus i4,

 to control other connected Shelly relays, sensors or HTTP and MQTT controlled devices. 

 Wi-Fi powered? Connects to your Wi-Fi network. No HUB required!

 Bluetooth - Add devices quickly and easily via a Bluetooth connection with the Shelly Cloud app
 Extremely fast processor? ESP32
 Multi-click - Up to 12 possible actions
 Improved API interface
 Java Scripts support for customized and complex scenarios