Shelly 1PM Gen4 – 1-Channel Smart Relay with Power Metering (2 Pack) | Wi-Fi, Zigbee, Matter | Alexa, Google Home, Apple HomeKit

Smart, compact, and ready for your smart home

The Shelly 1PM Gen4 is a compact smart relay designed to live behind a wall switch, turning ordinary appliances into connected devices without a bulky hub. It brings together Wi-Fi, Zigbee, and Matter support with built-in power metering, so you can control a single circuit and monitor its energy use from anywhere. Its slim profile makes retrofit effortless, blending with your existing setup while adding smart capabilities.

Key benefits at a glance show how Shelly 1PM Gen4 fits into daily life. You’ll enjoy remote control, scheduling, and the option to group devices into scenes that react to your routine—without sacrificing reliability or simplicity.

What you can do with Shelly 1PM Gen4

• Remotely power a device or circuit from the Shelly app or voice assistants, anytime and anywhere.
• Monitor real-time energy use of connected appliances such as water heaters, kitchen devices, and washing machines.
• Identify energy hogs by comparing consumption over time and adjust usage to boost efficiency.
• Install behind a socket to automate everyday tasks—like turning off electronics at night or warming up a room on schedule.
• Use the built-in energy metering to track consumption alongside your overall home energy footprint.

Easy setup, powerful control

Setup is quick—often under ten minutes—so you can automate devices and start building scenes without a long installation. The Shelly Smart Control App lets you manage devices remotely, receive automatic alerts for events, and fine-tune each device’s settings individually or in combination with others.

• Create personalized scenes by combining Shelly devices to trigger actions across your home automation system.
• Manage power and timing through a single app, with notifications that keep you informed of automations in real time.
• Compact design fits behind most wall switches and sockets, enabling a clean retrofit for retrofitted or new builds alike.

Compatibility, support, and warranty

Shelly 1PM Gen4 is designed for broad compatibility, supporting Wi-Fi, Zigbee, and Matter together with popular ecosystems such as Alexa, Google Home, Apple HomeKit, SmartThings, and more. Shelly provides professional support and a three-year device warranty, helping you feel confident as you expand your smart home.

Whether you are upgrading a single outlet or installing multiple units for a cohesive automation strategy, Shelly 1PM Gen4 offers flexible connectivity and reliable performance to suit a range of setups and preferences.