The Shelly Pro 4PM is a DIN rail mountable, multiple switch with measurement function. It can be used with Wi-Fi, LAN and Bluetooth connection. The smart device with precise power management is perfect for home and building automation. The relay is mounted on a DIN rail in your breaker box. The Shelly Pro 4PM offers enhanced security features and is compatible with most popular home automation platforms. Wide variety of appliances controlShelly Pro 4PM is suitable for controlling and measuring the consumption of lights, appliances, pool system, heaters, and many more. The relay is enhanced with temperature, overpower, and overvoltage load protection to allow a full smart automation with no additional cables or wiring, Shelly Pro 4PM is perfect for homes, offices, stores, business, and manufacturing facilities, as well as new buildings.No danger of overheating inside the breaker boxThe Shelly Pro 4PM are produced with flame-resistant materials and will keep their construction even when exposed to high levels of heat. In case of unsafe temperature levels or rapid temperature increase, device switches off the outputs and sends an notification. Internal temperature sensor is measuring the heat every 100 ms. The Overpower protection feature protects the device and other electrical equipment from potential damage.Precise power measurement for detailed control over electricity costsShelly Pro 4PM is equipped with ESP32 processor, providing immediate notifications and real-time power consumption measurements. The precise power metering feature will keep you informed about the electricity consumption of each connected device, making it possible to analyze the data and help you cut electricity costs.Highly compatible.Use your preferred voice assistant to control Shelly Pro 4PM. Shelly Pro 4PM is compatible with most popular voice assistants.No hub required.Shelly Pro 4PM can be controlled directly and without a hub through your smartphone with Shelly Cloud App. Manage and control your home or facility, set scenes, schedules, and adjust settings wherever you are through the Cloud access, or only on the local network!Features:Power supply: 110-240V Â±10% 50/60Hz ACMax load per channel: 16A (4 outputs, 16A each)Total max. current of all outputs: 40A Working temperature: 0Â°C Ã· 40Â°CWireless/Wi-Fi: Protocol 802.11 b/g/n (2.4 GHz)Electrical consumption: < 4 WControl through REST, CoAP, and MQTTLAN connection: Enhanced with LAN connection for even more stable connection.Bluetooth: Add devices quickly and easily via Bluetooth connection, using Shelly Cloud App.Screen with navigation keys: 1.8-inch color screen for quick relay control and settings update.Power metering with data storage: Four integrated precise power meters that allow you to measure the consumption for each channel separately.Wide variety of appliances control: Suitable for controlling and measuring the consumption of lights, appliances, pool system, heaters, and many more.Enhanced safety: Flame retardant shell (V-0) with internal overtemperature, overpower and overvoltage protection.No hub required: Control directly without a hub through your smartphone with Shelly Cloud AppHighly compatible: Use with your preferred home automation platforms and voice assistants.Works with Aeotec SmartThings and HomeyCompatible with Amazon Alexa and Google Home AssistantDownload high resolution images for Shelly products.