Does the Shelly BLU Wall Switch 4 need wiring?

No. It is powered by an included CR2032 battery and needs no electrical connection, so it mounts without any wiring.

What does the Stand Alone version mean?

The Stand Alone version includes a back plate that lets you fix it to a wall without an existing frame or use it as a portable remote, with no frame adapter.

How many actions can I set on the 4 buttons?

Each button recognises single, double, triple and long press, so you can configure up to 16 different actions.

Does it need a gateway to control appliances?

Yes. It needs a Shelly BLU Gateway or any Shelly Plus, Pro, Gen3 or Gen4 device (except sensors) acting as a gateway.

How long does the battery last and what type is it?

It uses an included 3 V CR2032 battery with up to 2 years of life depending on usage.

Can I integrate this switch with Home Assistant?

Yes, Home Assistant integration is possible for advanced users; basic setup is done in the Shelly Smart Control app.

Shelly BLU Wall Switch 4 Stand Alone

Name: Shelly BLU Wall Switch 4 Stand Alone - Wireless Battery Wall Switch, 4 Buttons BLE
Brand: Shelly
SKU: SHELLY-BLU-WALL-SWITCH-4

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Compatibility

Works with these ecosystems

Protocols

Ecosystems

Home Assistant
eWeLink

What it is, who it's for, what it does

About this product

The Shelly BLU Wall Switch 4 Stand Alone is a wireless wall switch powered by a CR2032 battery, with no wiring and no in-wall installation. Its four buttons recognise single, double, triple and long press, giving up to 16 configurable actions for lights, appliances and scenes.<br><br>Communication runs over Bluetooth Low Energy 4.2: the device sends commands to a Shelly BLU Gateway or to any Shelly Plus, Pro, Gen3 or Gen4 device acting as a gateway. The Stand Alone version ships with a back plate that lets you fix it to a wall without a frame or use it as a portable remote.<br><br>At 46x46x13 mm and 17 g it is discreet and easy to place anywhere, with the battery lasting up to 2 years.

Delivery
Free from 1500 MDL
Returns
30 days to return
Warranty
24 months

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CasaSmart essentials

What it works with, what it needs, what you can do

Verified compatibility

We test every device for these ecosystems. For non-standard integrations contact us before ordering.

Home Assistant
Zigbee
Matter
KNX
Wi-Fi

Install & requirements

What you need on your side and what we deliver.

Zigbee hub or Matter gateway for wireless variants
65 mm back-box or DIN panel for wired variants
Local setup on Home Assistant — included in install

Request install quote

Smart scenarios

Three typical automations we set up after the install.

01Morning: warm light + blinds up + climate at 22 °C
02Leaving: lights off, arm sensors, close the gas
03Evening: warm ambient + cinema scene

Where it works

Use cases

Chisinau apartment bedroom

Used as a portable remote on the nightstand to turn off all lights and trigger the night scene.

Home under renovation

Mounted on the wall with the back plate next to the door, no chasing, to control living-room lights.

Office

The 16 actions set up presentation, break and leave scenes with a Shelly Pro device as gateway.

Analytics

See consumption — save on bills

Real-time consumption tracking via the eWeLink app. Daily, weekly and monthly history helps identify the most energy-hungry devices.

For the installer

Technical specifications

full spec · wiring · datasheet

Physical

Buttons: 4 (single/double/triple/long press, up to 16 actions)
Dimensions: 46x46x13 mm
Weight: 17 g
Color: Ivory

Power

Battery: 1x CR2032 3 V (included)
Battery life: Up to 2 years

Wireless

Wireless protocol: Bluetooth Low Energy 4.2
RF band: 2400-2483.5 MHz
Range: Up to 30 outdoors / 10 indoors m

Connectivity

Encryption: AES (CCM mode)

Environment

Operating temperature: -20 to 40 degC
Humidity: 30 to 70 % RH

Other

Model: SBBT-004CEU

Full device datasheet

Support

Frequently asked questions

Does the Shelly BLU Wall Switch 4 need wiring?
No. It is powered by an included CR2032 battery and needs no electrical connection, so it mounts without any wiring.
What does the Stand Alone version mean?
The Stand Alone version includes a back plate that lets you fix it to a wall without an existing frame or use it as a portable remote, with no frame adapter.
How many actions can I set on the 4 buttons?
Each button recognises single, double, triple and long press, so you can configure up to 16 different actions.
Does it need a gateway to control appliances?
Yes. It needs a Shelly BLU Gateway or any Shelly Plus, Pro, Gen3 or Gen4 device (except sensors) acting as a gateway.
How long does the battery last and what type is it?
It uses an included 3 V CR2032 battery with up to 2 years of life depending on usage.
Can I integrate this switch with Home Assistant?
Yes, Home Assistant integration is possible for advanced users; basic setup is done in the Shelly Smart Control app.

Same ecosystem

Works together

Devices that run in the same smart-home ecosystem.

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—

Shelly

Shelly Wave PRO 2PM Z-Wave 2-channel DIN-rail relay with metering

—

Shelly

Shelly Wave Pro 2 - Z-Wave 2-channel DIN-rail relay

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Same category

Questions about this product?

A CasaSmart manager calls you within 1–2 working hours and answers anything — compatibility, install, alternatives.

+373 60 944 922

Updated: 18 June 2026· reviewed by CasaSmart Expert Team

Compatibility