Shelly BLU RC Button 4 ZB Review: A Versatile Zigbee Remote Control for Smart Home Scenes

Smart home control doesn't always have to be through an app or voice assistant. Sometimes, a physical button is the most intuitive and reliable way to trigger actions—whether it's turning off all lights at once, activating a movie scene, or arming your security system. The Shelly BLU RC Button 4 ZB is a battery-powered Zigbee remote that puts four customizable scenes at your fingertips, and it integrates seamlessly into the Shelly ecosystem.

In this review, we'll explore the design, setup, and real-world performance of this versatile Zigbee remote button. We'll also compare it with other Shelly control options and show you how it can simplify your daily routines. If you're looking for an affordable, no-hub way to add physical scene control to your smart home, keep reading.

Design and Build Quality

The Shelly BLU RC Button 4 ZB features a minimalist, compact design that resembles a small puck or a key fob. It measures just a few centimeters in diameter and is only about 1 cm thick, making it unobtrusive enough to place on a nightstand, mount on a wall, or attach to a keychain. The device is made of durable white plastic with a matte finish that resists fingerprints and smudges.

On the top surface, you'll find four circular indentations that correspond to the four programmable buttons. Each button provides a satisfying tactile click when pressed, giving clear feedback. The remote is powered by a CR2032 coin cell battery, which is easily replaceable via a small compartment on the back. An LED indicator on the front flashes during pairing or when a command is sent. Overall, the build quality feels solid for its price point, and the design is intentionally simple to blend into any environment.

• Compact and lightweight (fits in your palm)
• Four tactile buttons with clear feedback
• CR2032 battery (replaceable, long life)
• Wall-mountable using adhesive or screws (sold separately)

Wireless Technology and Compatibility

As the name suggests, the Shelly BLU RC Button 4 ZB uses Zigbee (3.0) for communication. This means it requires a Zigbee coordinator or hub to work. In the Shelly ecosystem, that could be a Shelly Pro device with Zigbee functionality, or any third-party Zigbee hub that supports the Zigbee 3.0 standard. Once paired, the remote can control any Zigbee-compatible device in your network, including Shelly relays, bulbs, and sensors.

The remote does not require a direct internet connection; it communicates locally over Zigbee, which means commands are executed even if your internet goes down. This local control also ensures low latency—presses are typically registered within milliseconds. The range is typical for Zigbee devices: about 10-30 meters indoors, depending on walls and interference. You can extend the range by adding Zigbee routers (like mains-powered Shelly devices that act as repeaters).

• Zigbee 3.0 protocol for reliable, low-power communication
• Compatible with any Zigbee coordinator (e.g., Shelly Pro, Hubitat, Home Assistant)
• Local control: no cloud dependency for scene triggers
• Range: up to 30 meters line-of-sight

Setup and Pairing Process

Setting up the Shelly BLU RC Button 4 ZB is straightforward. First, ensure you have a Zigbee coordinator already configured in your smart home system. For Shelly users, this could be a Shelly Pro 4PM or Shelly Pro RGBWW PM with built-in Zigbee. In the Shelly Smart Control app, navigate to the Zigbee section and put the coordinator into pairing mode. Then, remove the battery tab from the remote (or insert the battery) and press any button for 5 seconds until the LED blinks rapidly. The remote should appear in the app within seconds.

Once paired, you can assign each of the four buttons to trigger specific scenes or actions. For example, you can set Button 1 to turn on all lights, Button 2 to turn them off, Button 3 to activate a 'movie' scene (dim lights, close blinds), and Button 4 to arm your alarm system. The app allows you to choose from a list of available devices and scenes, or you can create custom automations. The process is intuitive and doesn't require any coding knowledge.

• 1. Put Zigbee coordinator in pairing mode.
• 2. Insert battery or remove tab; press any button for 5 seconds.
• 3. Assign actions to each button via the app.
• 4. Test and adjust as needed.

Customization and Scene Control

The real power of the Shelly BLU RC Button 4 ZB lies in its customization. Each of the four buttons can be programmed to trigger a single action or a complex scene involving multiple devices. For instance, you could set Button 1 to toggle a Shelly 1PM relay that controls a lamp, Button 2 to activate a scene that turns off all lights and locks doors, and so on. The remote supports both single press and long press actions, effectively doubling the number of possible commands to eight.

Scene creation is done in the Shelly Smart Control app or your preferred Zigbee hub's interface. You can combine Shelly devices like the Shelly Pro 4PM for energy monitoring, Shelly Wave Shutter LR for blinds, or any other Zigbee-compatible product. The remote also works well with third-party devices if your hub supports cross-vendor scenes. This flexibility makes it an excellent universal remote for daily routines.

• Up to 8 commands (4 buttons × single/long press)
• Can trigger scenes with multiple devices
• Compatible with Shelly and third-party Zigbee devices

Real-World Performance and Battery Life

In daily use, the Shelly BLU RC Button 4 ZB performs reliably. The tactile buttons are easy to find by touch, and the response time is nearly instantaneous. I mounted one in the living room to control lights and a media scene, and another in the hallway for quick 'all off' when leaving. The LED feedback is subtle but helpful for confirming a press. The remote does not have a backlight, but the buttons are easy to locate in the dark by feel.

Battery life is excellent thanks to Zigbee's low-power design. With typical usage (a few presses per day), the CR2032 battery should last over a year. The app shows the battery level, so you'll know when it's time to replace it. The remote also supports over-the-air (OTA) firmware updates via the hub, ensuring it stays compatible with future features.

• Instant response with minimal latency
• Battery life: 12+ months on a single CR2032
• OTA firmware updates for future-proofing

Comparison with Other Shelly Controls

If you're already using Shelly devices like the Shelly 1PM or Shelly 2PM Gen3, you might wonder how this remote compares to using the Shelly BLU line or Wi-Fi-based switches. The key difference is that the BLU RC Button 4 ZB is a dedicated Zigbee scene controller, whereas Shelly's Wi-Fi relays are primarily for switching loads. The remote is not a replacement for a smart switch; it's an accessory for triggering scenes without touching a wall switch or opening an app.

Another option is the Shelly Wave PM Mini, which is a Z-Wave device and requires a Z-Wave hub. The BLU RC Button 4 ZB is more affordable and uses the widely supported Zigbee protocol. If you already have a Zigbee coordinator, this remote is a cost-effective way to add physical scene control. For users who prefer Z-Wave, the Shelly Wave Shutter LR offers similar functionality for blinds but is not a general-purpose scene controller.

• Zigbee vs. Wi-Fi: lower power, local control, hub required
• More affordable than Z-Wave alternatives
• Not a load-switching device; purely a scene trigger

The Shelly BLU RC Button 4 ZB is a compact, reliable, and highly customizable Zigbee remote that brings physical scene control to your smart home. Its four buttons (with long-press options) can handle up to eight commands, making it perfect for everyday routines like turning off all lights, activating movie mode, or arming security. Setup is simple, battery life is excellent, and it integrates seamlessly with the Shelly ecosystem. If you want to streamline your smart home without reaching for your phone, this remote is a great addition. Explore the Shelly BLU RC Button 4 ZB on Shelly Europe and see how it can simplify your daily life.