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Shelly PLUS 1 single channel WiFi smart relay switch (16A)

Shelly PLUS 1 is one of the world’s smallest WiFi-equipped smart relay switch, which thanks to its small size, fits into the wall under the power socket or a standard light switch.

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Factory SKU ID:
Supported protocols:
Bluetooth, Wi-Fi
in stock (50+ pcs)
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Shelly PLUS 1 is one of the smallest, open source, WiFi-equipped device to smart control circuits. Due to its small size you can built it in behind a power socket / light switch just like a standard light switch or into an electrical cabinet. DIN-rail compatible and can be built-in to any electrical cabinets.

New and improved shell

Shelly Plus line comes in a unified and improved form. Plus line devices’ small dimensions allow you to easily fit them behind any wall switch or wall socket, and are fully retrofit. Each Plus line device comes with a wiring diagram printed on its shell to ensure safe and easy installation.



  • Enhanced safety: Enhanced over-temperature protection with software thresholds for control and prevention of failure
  • Extremely fast processor: For immediate command execution and notification
  • Wi-Fi operated: Connect Shelly Plus 1 to your Wi-Fi network. No HUB required
  • Bluetooth: Add devices quickly and easy via Bluetooth connection, using Shelly Cloud App
  • Improved API interface: Broad range of cloud connections and local integrations with much lower integration cost
  • Enhanced security: MQTT and WSS support, TLS and custom certificates support for a broad range of use cases



  • Wi-Fi operated - Connects to your Wi-Fi network. No HUB required!
  • Bluetooth - Add devices quick and easy via Bluetooth connection, using Shelly Cloud App
  • Dry contacts
  • Low voltage support
  • Extremely fast processor – ESP32
  • Enhanced safety - Over-temperature protection
  • Enhanced security - MQTT and WSS support, TLS and custom certificates support
  • Improved API interface


Building Shelly PLUS  1 behind them you can control lights by keeping your existant switches and monitor their status (turned ON / OFF). Supports 2-way and 3-way switching.

Wireless: No HUB required – Connect Shelly 1 directly to your Wi-Fi at home.

Control remotely: Control the lighting at home, no matter where you are. No more lights left on and coming home in darkness.

Highly compatible: Compatible with Android, iOS, Amazon Alexa and Google Assistant. Control your appliance with your voice.

Wide range of voltage support: Shelly 1 can be used to control a wide range of devices and appliances.

Sunrise/Sunset schedules: Shelly 1 can automatically follow the sunrise and sunset and control your lighting accordingly.

Weekly schedules: Choose a time and set your lighting to turn on/off or dim precisely when you want it to.

Rest API: Use our REST API to connect Shelly 1 to your existing home automation system.

Go Live: Easily make your Arduino project live and usable in your automation project.

Shelly 1 is the most intellingent device you can have. Shelly 1 knows your location, gives you high security and provides device access control.

Intelligently designed to fit in most standard electrical boxes and switches. Shelly 1 is smaller than 2 cookies stacked together!

No more forgetting to turn appliances off. The integrated coundown timer can automatically switch off your oven after half an hour.

Timer function:

  • set schedules of turning ON / OFF to any weekdays
  • supports schedules adjusted to sunlight / sunset


Easy to install: Setting up Shelly 1 is easy as one-two-three You can do it all by yourself.

Lighting control: Are you about to watch a movie, all set up on the sofa with popcorn in your lap? Or maybe you are going to bed and need to switch off all the lights, so annoying. To avoid these unpleasant situations install Shelly 1 at home, and you will be able to control your lights with just one tap via your smartphone, or with your voice. With the compact size of Shelly 1 you can make any light switch smart.

Garage door control: Did you forget to close the garage? With Shelly 1, when leaving home, you can easily open and close garage door without worrying that you may have left it open. Shelly 1 has operation voltages of 12V and 24-60V DC, which allows the control of most garage doors on the market.

Irrigation system: Having a green and beautiful yard is a hard task. With Shelly 1's ability to have automated garden sprinkles, you can be sure that your grass will always be greener than your neighbors'. The device can also follow the sun and water your garden after sunset to avoid getting your plants burnt.

Door bell notifications: You can connect Shelly 1 to your doorbell and receive an instant notification when someone is at the front door.

Door lock control: Shelly 1 lets you manage your door lock remotely. You can lock and unlock it, so whatever happens you will be at peace, knowing your home is safe.

Motion sensor with light control: With Shelly 1 and a motion detector, you may use it as a motion detection switch for you outdoor lights.

Mongoose OS-based, free Cloud service and smartphone app of the manufacturer is also available. 

One application, countless possiblities: With the best cloud service in the world, user-friendly interface, scenes, bulk control, and much more, the Shelly Cloud application allows you to control your home from anywhere. Each Shelly can be integrated and works with all other Shelly devices in the Shelly App.

Built-in web-server, configurable from web-interface via local network. LAN-compatible, controllable via local network without Shelly Cloud and Internet access. Supports MQTT.

The device operates with a ESP8266 based control, firmware can be modified as you want through the built-in pin-bus (Sonoff-Tasmota, ESPEasy, ESPurna e.g.), can be integrated easily with own automatization server.

Like other smart switches this device has to be connected to phase wire and neutral wire too.

Power supply: Low voltage: 24 – 48V DC / 12V DC stabilized; 110V-240V AC 50/60Hz

Peak output: 3500W / 16A (AC), 10A (DC)


  • MQTT
  • HomeSeer
  • ioBroker
  • Home Assistant
  • openHAB
  • Domoticz
  • nymea
  • Hubitat
  • Hoobs


Product type:
smart WiFi relay, even for dry contact
blue, with printed drawing
Device power supply:
110V-240V AC, 12V DC, 24V-48V DC
12V DC, 230V AC (live and neutral), 24V-48V DC
DIN rail compatible:
yes, together with Shelly DIN-adapter (not included)
Max. power consumption:
max 1W
Embedded relay:
Dimmer feature:
Power consumption metering:
Number of gangs / circuits:
Rated voltage (output):
dry contact, max 240V AC, max 30V DC
Rated current (output):
16A (AC), 10A (DC)
Physical on/off button on device:
External switch supported:
2-way or 3-way switching:
Momentary switching (inching):
yes, auto on and auto off settings available
Surge protection:
Overheat protection:
Ethernet (RJ-45):
Wi-Fi standards:
802.11 b/g/n (2.4GHz)
RF transmitter / receiver:
Bluetooth pairing with phone, also Bluetooth remote controllers can be paired with it to remote control it, also Bluetooth hub features makes it possible to control other non-Bluetooth Shelly devices
Controllable from internet:
Manufacturer smartphone app:
yes, free app (Shelly Cloud) (iOS, Android)
Web admin interface:
yes, almost the same functionality as the app
Voice control:
Amazon Alexa and Google Assistant compatible
Cloud mode:
yes, Shelly devices may connect to factory cloud (optional setting)
LAN mode:
yes, works just in the local area network mode, with full functionality (adjustable)
REST API support:
MQTT support:
Supported integrations:
Amazon Echo, Google Home, HomeSeer, openHAB, Home Assistant, ioBroker, Hubitat, Hoobs, Symcan, Domoticz, nymea, SmartThings (beta), REST API
Schedulers, timers:
yes, (after synchronizing clock on the internet) limited number of timings operate in offline mode, any further timing can be run from the cloud in online mode
Notification functions:
send email, Shelly app notification
yes: on/off history in the app (the last 50 event for every Shelly account)
50 g/pcs
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