The Shelly 2PM Gen4 is an advanced, two-channel dimming actuator that enables precise power control. It supports various communication protocols, including Wi-Fi, Bluetooth, and Zigbee, and is designed for installation behind switches, power outlets, or lamp outlets. This device allows for easy control and automation of lighting, fans, roller shutters, and other bidirectional AC motors. Thanks to its compact design, the dimming actuator is easily installed in wall or ceiling boxes, making it a flexible solution for modern smart home applications. It is Matter certified for seamless integration into smart home systems. A multi-protocol chip allows simultaneous communication via Wi-Fi and Zigbee. Bluetooth functionality enables direct communication with battery-powered devices. Local control of all main functions is possible, even in the event of network issues. It offers high compatibility with over 200 partner systems, including Google Home and Amazon Alexa.