Shelly Dimmer Gen4

Shelly Dimmer Gen4 — Smart In-Wall Dimmer
Compact multiprotocol dimmer with Matter, Zigbee and Wi-Fi. Works with or without neutral and fits behind standard switches.
Multiprotocol: Wi-Fi, Zigbee, Bluetooth + Matter certified
No neutral required (bypass under 20 W)
Trailing-edge dimming up to 200 W
Supports dimmable LEDs (150 W), halogen & incandescent (200 W)
Power monitoring (with neutral)
Excellent Home Assistant support + local scripting & MQTT
Ultra-compact: 38.5 × 43.5 × 17 mm