Shelly i4 Gen3 Smart Four-Channel Inputs Controller

Smart 4-channel AC powered input controller that allows you to activate or deactivate any created scenes, run synchronized actions, or execute complex trigger scenarios.
Multi-click – Up to 16 possible actions
New processor – ESP-Shelly-C38F chip with an increased memory of 8 MB
Improved durability of terminals
Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, and platforms
Supports KNXnet / IP communication