Shelly 1PM Gen4: 1-Channel Smart Relay with Power Metering (Wi-Fi, Zigbee, Matter)

Overview

Meet Shelly 1PM Gen4, a compact one‑channel smart relay that brings WiFi, Zigbee, and Matter together in a single device. It includes real‑time power metering and doubles as a Bluetooth gateway, so your smart home can stay connected without a separate hub. With a quick setup, you can automate your devices and start controlling them from anywhere. Its slim footprint fits behind most wall switches and sockets, making it a practical retrofit for existing wiring and smart home ecosystems.

Real‑time energy insights

The built‑in energy meter lets you observe how much power a range of appliances draws in real time. Track usage for items like water heaters, kitchen gadgets, and laundry machines, and use the data to identify energy hogs and better understand consumption patterns.

Smart control where you need it

Install Shelly 1PM Gen4 behind any socket to automate devices on your schedule. Remotely power space heaters, switch off electronics at night, or trigger events in your home when you arrive or depart. The Shelly Smart Control App makes it easy to configure devices individually or to assemble scenes that coordinate multiple devices.

• No hub required — connect directly via WiFi, Zigbee, and Matter for flexible setup.
• Compact, in‑wall design that blends with existing wiring and fixtures.
• Live energy readings help you monitor usage and spot opportunities for efficiency.
• App‑driven control, notifications, and scene creation for customized automation.

Brand promise and support

Shelly is a rapidly growing name in smart home technology, backed by professional support and a 3‑year device warranty. The Shelly Smart Control App enables remote access, event notifications, and per‑device configuration so you can tailor the setup to your needs.

Practical scenarios

• Manage a space heater or heater timer without manual tilting — keep comfort controlled and efficient.
• Monitor kitchen or laundry appliances for better budgeting and planning around peak energy times.
• Coordinate multiple Shelly devices to trigger scenes, such as turning off electronics when you leave home.