The same great device, now with even more compatibility. The Shelly 1PM Gen4 is the perfect smart switch for controlling your devices and saving energy. Thanks to the new multi-protocol connectivity, you can choose the protocol that best suits your home network - be it Zigbee, Matter, Wi-Fi or Bluetooth. With integrated performance monitoring, you can track and optimise energy consumption in real time to save energy and reduce your electricity costs. Benefit from extended compatibility and faster performance - all in the compact and easy-to-install design you already know. Lighting control. Automate the lighting in your home with the Shelly 1PM Gen4. Create customised schedules, control the lights remotely and monitor energy consumption to ensure the lights are only switched on when they're really needed. This increases comfort and reduces your electricity costs at the same time. Energy monitoring of devices. With the Shelly 1PM Gen4's energy measurement function, you can monitor the power consumption of connected devices such as your water boiler, kitchen appliances or washing machine in real time. Recognise appliances with high energy consumption and adjust your usage to increase energy efficiency and reduce costs. Smart socket control. Install the Shelly 1PM Gen4 behind any socket to conveniently automate and control your electrical appliances according to schedule or usage. For example, switch on a fan heater remotely to preheat a room or switch off appliances at night. With integrated power monitoring, you can track the energy consumption of each appliance, recognise energy guzzlers and reduce your overall power consumption.