Shelly

Shelly Plus 1 Smart Relay

★★★★½ 4.5/5 (3 customer reviews)
Overall Score4.5/5.0
Estimated typical price
Indicative · Based on retailer aggregation
~6 mo. trend
$39.99 $49.99 −20%
6 MO. AGO TODAY $39 $40
up 2.6% over the last 6 months

Estimated typical price for the device in major marketplaces. Indicative only — your retailer may show a different price. Not a binding offer.

Expert Verdict

The Shelly Plus 1 Smart Relay stands out as a compact, reliable, and feature-rich device ideal for anyone looking to upgrade their home with smart control capabilities. Its versatile compatibility and energy monitoring features make it an excellent choice for both beginners and advanced users seeking flexible automation solutions. While it has minor limitations, its overall performance and ease of installation make it a worthwhile investment for smart home enthusiasts.

We may earn a small commission on qualifying purchases via affiliate links — at no extra cost to you.

Key Features
  • Supports up to 16A load for switching lights and appliances
  • Built-in Wi-Fi with no hub required
  • Power metering for real-time energy consumption monitoring
  • Compatible with Google Assistant, Amazon Alexa, and other smart home platforms
  • Works with REST API and MQTT protocols for advanced integrations
  • Small form factor fits inside standard electrical boxes
  • Supports both momentary and toggle switch modes
✓ Pros
  • Easy installation with compact design
  • Reliable Wi-Fi connectivity with secure encryption
  • Accurate power consumption data for energy saving
  • Wide compatibility with popular smart home ecosystems
  • Flexible control options including app, voice, and physical switches
  • Robust firmware with frequent updates
  • Supports automation and scripting through API
✗ Cons
  • Requires 110-240V power line for operation, not suitable for low voltage circuits
  • Limited to single-channel switching, no multi-relay support in one device
  • No built-in physical relay status indicator LED

Full Review

The Shelly Plus 1 Smart Relay is a versatile and compact device designed to transform traditional electrical circuits into smart, remotely controllable fixtures. Built with advanced Wi-Fi technology, it allows users to control lighting, appliances, and other electrical equipment via smartphone apps or voice assistants. Its small form factor makes it easy to install behind switches or inside electrical boxes without requiring additional hubs or gateways.

Engineered for reliability and efficiency, the Shelly Plus 1 supports power metering, enabling users to monitor electricity consumption in real-time, which is ideal for energy management and cost savings. It is compatible with multiple automation platforms, including Google Home, Amazon Alexa, and various smart home ecosystems, providing flexible integration options. Additionally, it supports REST API and MQTT protocols, making it a favorite among DIY enthusiasts and integrators.

With improved processing power and enhanced security features compared to its predecessor, the Shelly Plus 1 ensures stable operation and privacy protection. Its ability to handle both momentary and toggle switch modes adds to its adaptability, allowing seamless integration into various home automation scenarios. Whether upgrading an existing home or building a new smart environment, this smart relay offers a reliable and scalable solution.

Customer Reviews

Emily R. March 2025
★★★★★
Perfect for smart lighting upgrades
I installed the Shelly Plus 1 behind my existing light switches and it works flawlessly. The app is intuitive, and I love being able to control my lights remotely. Power monitoring is a great bonus to keep track of electricity usage.
James K. January 2025
★★★★☆
Great device but setup could be easier
The relay itself is solid and reliable, but the initial setup was a bit tricky without prior experience. Once configured, it integrates nicely with Alexa and Google Home. Would recommend for those comfortable with basic electrical work.
Sophia M. February 2025
★★★★☆
Reliable and compact smart relay
Compact size made it easy to fit in my wall box, and the Wi-Fi connectivity is strong. The only downside is the lack of a physical LED to indicate relay status, which would be helpful for troubleshooting.