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Shelly

Shelly 1PM Mini Gen4. Wi-Fi, Zigbee, Matter Compact Smart Relay with Power Metering (Open Box)

Shelly 1PM Mini Gen4. Wi-Fi, Zigbee, Matter Compact Smart Relay with Power Metering (Open Box)

1PM Mini Gen4_OB_AN

Condition: Open Box

Professionally inspected and tested by Digital Bay Tech to ensure proper operation and cosmetic condition. Final sale. No returns or exchanges.
Open Box units may include manufacturer warranty when applicable and/or a Digital Bay Tech limited replacement warranty for manufacturing defects.
See warranty details below.

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Professionally inspected and tested by Digital Bay Tech to ensure proper operation and cosmetic condition. Final sale. No returns or exchanges.
Open Box units may include manufacturer warranty when applicable and/or a Digital Bay Tech limited replacement warranty for manufacturing defects.
See warranty details below.
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Shelly 1PM Mini Gen4 is a compact smart relay with integrated power metering, designed to remotely control and monitor lights and small appliances up to 8A.

With Wi-Fi, Zigbee, Bluetooth, and Matter support, it’s ideal for retrofitting behind existing switches or sockets—no hub required. Its ultra-compact size makes it perfect for tight electrical boxes while delivering real-time energy insights and advanced automation capabilities.

Why Shelly 1PM Mini Gen4?

Small size. Real power insights. Maximum flexibility.

Shelly 1PM Mini Gen4 combines ultra-compact design with real-time power monitoring, allowing you to automate devices even in the tightest electrical boxes while tracking exactly how much energy they consume.

With Matter certification and multi-protocol connectivity, it integrates seamlessly into modern smart homes and professional automation systems. Whether you’re optimizing energy usage, automating lighting, or retrofitting existing installations, this mini relay delivers powerful performance without compromise.

Key Features

  • NEW – Matter certified for future-proof smart home integration
  • NEW – Multiprotocol connectivity: Wi-Fi, Zigbee, Bluetooth, and Matter
  • Integrated power metering with real-time consumption data
  • Supports loads up to 8A at 240 VAC
  • Ultra-compact design, ideal for tight wall boxes and retrofits
  • No hub required when using Wi-Fi
  • Supports schedules, scenes, and local actions
  • Advanced automation via scripting, MQTT, HTTPS, Webhooks, and WebSockets
  • Acts as a Wi-Fi & Zigbee range extender and Bluetooth gateway
  • Built-in web interface for local configuration and monitoring
  • Compatible with Alexa, Home Assistant, Apple Home (via Matter)
  • Professional integrations: KNXnet/IP, Control4*, URC*, Crestron*, Josh.ai*
  • Internal temperature sensor for overheating protection

    *Integration depends on platform configuration and driver support.
View full details

Why Shelly Mini Gen4 Series?

Small size, big impact!

Designed with convenience in mind, these mini devices have all the capabilities of Shelly's standard smart devices fit into a compact form factor.

With an improved processor and 8 MB of memory, the devices deliver enhanced efficiency, responsiveness, and seamless operation.

Each Mini Gen4 device is Matter-certified and supports multi-protocol connectivity, allowing greater flexibility within your smart home setup.

Size does matter!

Shelly's mini devices open up a world of possibilities, allowing you to seamlessly integrate them into even the most tightly packed spaces and switch boxes.

  • 1 Mini Gen 4

    Whether you want to schedule your lights to turn on at sunset or remotely control your fan from the comfort of your couch, Shelly 1 Mini Gen4 puts the power in your hands.

    Typically used for:

    ✔ Lights
    ✔ Appliance
    ✔ Door lock
    ✔ Fan




    View Product 

  • 1 PM Mini Gen 4

    The Shelly 1PM Mini Gen4 also tracks power consumption, giving you a clearer picture of how much power each device is using, helping you to reduce waste and optimize your costs.

    Typically used for:

    ✔ Lights
    ✔ Appliance
    ✔ Door lock
    ✔ Doorbell
    ✔ Fan

    View Product 

  • EM Mini Gen 4

    The Shelly EM Mini Gen4 tracks the energy consumption of the connected appliance or device, giving you a clearer picture of how much energy each device is using, helping you to reduce waste and optimize your costs.

    Typically used for:

    ✔     Energy Measurement
    ✔ Energy saving

Gen4 devices

Experience next-level smart home automation with Shelly Gen4 novelties.
Each Gen4 device offers multi-protocol connectivity, featuring Wi-Fi, Bluetooth, Zigbee, and Matter.
Choose your connection and set up your Shelly device to work with your preferred smart home network in no time.

Common Use Cases

  • Smart Lighting Control

    Control lights remotely and create schedules based on time or sunrise/sunset. Monitor real-time energy usage to reduce unnecessary consumption and improve efficiency.

  • Appliance Control & Power Monitoring

    Turn small appliances on or off remotely while tracking their power consumption. Ideal for fans, heaters, exhaust fans, and other everyday devices up to 8A.

  • Retrofit in Tight Spaces

    Ultra-compact design fits behind existing switches and sockets, even in shallow electrical boxes. Perfect for retrofitting smart control without major rewiring.

  • Per-Circuit Energy Monitoring

    Measure real-time and historical power usage per circuit to identify energy waste and optimize electricity costs.

  • Doorbells & Low-Power Devices

    Control doorbells, relays, contactors, and other low-power devices where space and precise control are critical.

  • Professional Smart Home Integration

    Integrates with Apple Home, Home Assistant, KNXnet/IP, and professional systems like Control4, URC, Crestron, and Josh.ai (driver/configuration dependent).

Functionalities

  • Multiprotocol connectivity

    Highly compatible! Choose the best protocol for your smart home—Zigbee, Wi-Fi, or Bluetooth

  • Power monitoring​

    The device provides precise monitoring of power consumption. ​

  • Smart scenes

    Set custom scenes by combining Shelly 1PM Mini Gen4 with your other devices

  • Matter certified

    Integrates into any Matter ecosystem

  • Smart schedules

    Set custom schedules based on your daily agenda

  • Scripting

    Shelly 1PM Mini Gen4 fully supports mjS scripting, allowing you to create custom features and functionalities

Frequently Asked Questions

Does Shelly 1PM Mini Gen4 require a hub?

No. When connected via Wi-Fi, no hub is required. A Zigbee or Matter hub is needed only if you choose those protocols.

What’s the difference between Shelly 1 Mini Gen4 and 1PM Mini Gen4?

The 1PM Mini Gen4 includes power metering, allowing you to monitor real-time energy consumption. The Shelly 1 Mini Gen4 does not.

Can I use this device with Apple Home?

Yes. Shelly 1PM Mini Gen4 is Matter-certified and works with Apple Home through a Matter-compatible hub.

Is it suitable for tight electrical boxes?

Absolutely. Its ultra-compact size is specifically designed for tight spaces where standard smart relays won’t fit.

Is this Open Box unit fully functional?

Yes. Open Box units are professionally inspected and tested by Digital Bay Tech to ensure proper operation. Cosmetic imperfections may be present. Final sale conditions apply.

No hub required, Universally compatible

Shelly Products can be controlled locally, directly and without a hub through your smartphone/table with Shelly App - no hub or other equipment needed with Wi-Fi Protocol.(*)
Enable cloud feature and get remote control from anywhere. At the same time, you can integrate Shelly directly with virtually every smart home hub, voice assistant, open source platform, or premium control system.

(*) Platform app / Hub required when used with Zigbee / Matter

Shelly App
Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms Shelly compatible platforms

No hub required, Universally compatible

Shelly Products can be controlled locally, directly and without a hub through your smartphone/table with Shelly App - no hub or other equipment needed with Wi-Fi Protocol.(*)
Enable cloud feature and get remote control from anywhere. At the same time, you can integrate Shelly directly with virtually every smart home hub, voice assistant, open source platform, or premium control system.

(*) Platform app / Hub required when used with Zigbee / Matter

Shelly App
Shelly compatible platforms
Shelly compatible platforms
Shelly compatible platforms
Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms
Shelly compatible platforms Shelly compatible platforms

Warranty

New Products

  • USA Pro Market Manufacturer Warranty: Lifetime manufacturer warranty (only if installed by a professional within USA) when purchased at Digital Bay Tech.

  • Retail Standard Manufacturer Warranty (included in purchase price): 2, 3 or 5 years manufacturer warranty covers only the hardware (corpus, mechanics, and display, if any) and does not cover consumables (battery) and accessories insofar as these are subject to exhaustion (decrease of their useful life) depending on the intensity of their use. Device malfunctions are only covered when device is used as described conditions within user manual (max loads, proper installation, etc.). Please check refund policy for further details.
  • Gen 1: 2 years.
  • Plus, Gen3, Gen4, Wave: 3 years.
  • Pro Line: 5 years.

Special Notes

  • Do It Yourself: Devices are technically user-installable in many locales, nevertheless consulting a licensed electrician to install shelly components is recommended; in addition to being licensed to work with electrical devices, they are also familiar with local building codes and regulations to keep your safety.
  • Manufacturer's Safety note: Each Shelly device generates heat under load. Do not combine two or more Shelly devices stacked on top of or beside each other in a confined space. There must be a minimum distance of 0.4 inch / 1 cm between them to allow for airflow.

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