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ThirdReality | SKU: 3RDZP1SBZA1-EU

Zigbee ThirdReality Smart Color Bulb ZL4 E27

Name: Zigbee ThirdReality Smart Color Bulb ZL4 E27
Brand: ThirdReality
SKU: 3RDZP1SBZA1-EU
Price: 19.00 GBP
Availability: InStock

£19.00

Delivery to United Kingdom from £4.95 · 2–4 working days

Free over £75 · Express £7.95

In stock

Works with your system

Based on manufacturer compatibility lists, our own tests and shared wireless standards.

SmartThings needs a driver for this device; Homey needs the brand’s Homey app.

See all controllers (7)

Aeotec Smart Home Hub (SmartThings) Listed by the manufacturer
Aeotec Smart Home Hub 2 (SmartThings) Listed by the manufacturer
Hubitat Elevation (C-8, C-8 Pro) Listed by the manufacturer
Home Assistant Listed by the manufacturer
Homey Pro Works with limits
Homey Pro mini Works with limits
Nice Yubii Home Pro Works with limits

How we check compatibility

Compatibility Guarantee If it doesn't work with your system, return it within 30 days for a refund.

You'll also need

Zigbee adapter (coordinator) for Home Assistant Required

Home Assistant needs a Zigbee adapter to talk to Zigbee devices; Home Assistant Yellow has one built in, Home Assistant Green does not.

Needed with: Home Assistant

Zigbee Sonoff USB-Dongle MG24 Sonoff · £49.00

+ Other options (2)

Zigbee Aeotec Zi-Stick Aeotec · £35.00

Aeotec Z-Stick 10 Pro (Z-Wave & Zigbee) Aeotec · £82.00

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In-stock items ordered before 2:30pm ship the same working day.

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You'll get set-up help and answers from our smart home team by email and live chat, plus a wealth of guides to help with any technical questions.

Compatibility Guarantee

If Zigbee ThirdReality Smart Color Bulb ZL4 E27 doesn't work with your existing system, you can return it within 30 days for a refund under our returns policy.

Request the return from your account and we'll send you an RMA number and instructions.

Summary

The Third Reality Smart Color Bulb ZL4 offers millions of RGB colors and tunable white light (2700K–6500K) with smooth dimming from 1% to 100% and up to 810 lumens brightness. Built on Zigbee 3.0, it supports smart control via app, voice assistants, and automation, while also improving network stability with a built-in repeater and staying updated through OTA firmware upgrades.

Millions of Colors & Tunable White Smart Lighting

Millions of Colors & Tunable White: The Third Reality smart RGB bulb delivers a full range of vibrant colors with adjustable brightness. You can switch between warm 2700K and cool 6500K to set the perfect mood, and fine-tune brightness from 1% to 100% for any environment.

Flexible RGB Smart Lighting with Zigbee Control & OTA Updates

With millions of RGB colors and adjustable white light from 2700K to 6500K, the Smart Color Bulb ZL4 delivers flexible lighting for any mood. It offers smooth dimming from 1% to 100% with up to 810 lumens and can be controlled via app, schedules, automations, or voice assistants. Built on Zigbee for energy efficiency, it also supports OTA updates and features a standard E27 socket for easy installation.

Zigbee 3.0 Smart Bulb with Mesh Repeater Function

The THIRDREALITY Smart Color Bulb ZL4 (E27) is a Zigbee 3.0 smart LED bulb that works with platforms like Home Assistant, SmartThings, Hubitat, Homey, Aeotec, and Echo devices with Zigbee hubs. It also acts as a Zigbee repeater, improving network range and stability across your home.

Smart Control & Seamless Voice Automation

Smart Control & Seamless Automation: Effortlessly manage your smart color bulb anytime, anywhere, with no limits on time or distance. When connected to compatible Amazon Alexa Echo devices or Zigbee hubs that work with Alexa or Google Home, you can go hands-free with voice control, adjust lighting easily, set schedules, and create automation routines to make your home truly smart and intelligent.

Smart Assistant Integration & OTA Firmware Updates

With the Smart Bridge MZ1 (sold separately), this device works seamlessly with Apple Home, Google Home, Amazon Alexa (smart speaker required), and SmartThings. You can control lighting with voice commands, set schedules, and create automation routines through an app. It also supports OTA (Over-The-Air) updates for easy and hassle-free firmware upgrades.

Payment & Security

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Frequently Asked Questions

What if it's incompatible with my existing smart home system?

If you try Zigbee ThirdReality Smart Color Bulb ZL4 E27 and find it isn't compatible with your system, you can return it within 30 days for a refund.

How can I get technical support for it?

Set-up help and answers from our smart home team by email and live chat. Just get in touch with any technical question you have.

Do you offer installation services?

While we don't offer direct installation services, we provide online support through guides, videos, and help from our smart home team by email and live chat. If you need an installer, we can often help connect you. With advancements in smart home tech, most of our products can be self-installed with guidance.

What if I struggle with installing or using after purchase?

Just get in touch. Our smart home team can help you work through set-up and troubleshooting by email and live chat, and our guides and videos cover set-up for many devices. Most problems can be sorted quickly with the right steps.

How quickly will I receive my order?

Orders placed before 2:30pm on a working day are dispatched the same day. In the UK, Standard delivery takes 2 to 4 working days and Express is a next-day service. If your order includes a Vesternet device, choose Standard at checkout and we upgrade the whole order to next-day at no extra cost. For orders outside the UK, delivery options and times are shown at checkout.

Why should I choose to buy from Vesternet over other online stores?

When you buy from Vesternet, you're not just purchasing a product. You get set-up help and answers from our smart home team by email and live chat, plus guides for the products we sell. While there might be cheaper options online, home automation can be complex, and good advice can prevent costly mistakes.