# Smart LED bulb Yeelight E27 W4, dimmable, 9W, 806 lm, 2700–6500K, Wi‑Fi (2.4 GHz), E27 socket, white

**URL:** https://aio.lv/en/product--yeelight-yl00491--10484069
**Data updated:** 2026-01-21 13:34 (EET)
**Category:** Smart LED Bulbs
**Manufacturer:** Yeelight
**Manufacturer code:** YL00491
**EAN:** 6924922222484
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--yeelight-yl00491--10484069

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

Yeelight E27 W4 smart LED bulb (1 pc) provides 806 lm brightness with adjustable white colour temperature from 2700 to 6500 K. Rated power 9 W, fits standard E27 sockets and connects via 2.4 GHz Wi‑Fi (also Bluetooth). Compatible with Amazon Alexa, Google Assistant and Apple HomeKit. Ideal for remote dimming, scheduling and scene control. Operates between −10 and 40 °C. Avoid touching immediately after switching off as product may become hot.

## Long description

Yeelight E27 W4 is a smart LED bulb that fits standard E27 sockets and delivers 806 lm of adjustable white light. The lamp provides a tunable colour temperature range from 2700 K (warm white) to 6500 K (cool white), supports Wi‑Fi (2.4 GHz) and Bluetooth connectivity, and is compatible with Amazon Alexa, Google Assistant and Apple HomeKit. Rated power is 9 W and the bulb operates in ambient temperatures from −10 to 40 °C.
Advantages
The bulb offers energy‑efficient LED illumination with dimmable white light and wide colour‑temperature adjustability for different moods and tasks. Wireless control via Wi‑Fi (2.4 GHz) or Bluetooth enables remote switching, scheduling and integration with smart home assistants. The compact design suits standard fixtures while delivering a high luminous flux of 806 lm at 9 W.
Suitable for
Living rooms and bedrooms where adjustable white light is needed
Desks or reading areas requiring focused, dimmable illumination
Smart home setups using Amazon Alexa, Google Assistant or Apple HomeKit
Rooms with standard E27 light fittings
Key specifications
Light output: 806 lumens
Rated power: 9 W
Colour temperature: 2700–6500 K (adjustable white)
Interface: Wi‑Fi (2.4 GHz) and Bluetooth
Socket type: E27
Bulb type: LED
Operating temperature range: −10 to 40 °C
Light colour: white, dimmable
Dimensions: height 110 mm, diameter 60 mm
How to use
Screw the Yeelight E27 W4 into a compatible E27 socket and power the fixture. Connect the bulb to your 2.4 GHz Wi‑Fi network or pair via Bluetooth following the Yeelight app instructions. Use the app or a connected voice assistant (Amazon Alexa, Google Assistant, Apple HomeKit) to adjust brightness, set schedules and change colour temperature. Allow the bulb to cool before touching after use.
Usage recommendations
Avoid touching the bulb immediately after switching off, as the product may become hot during use. For stable wireless control, ensure the bulb is within range of a 2.4 GHz Wi‑Fi network and follow the manufacturer's app setup steps.

## FAQ

### How much does the Yeelight E27 W4 smart LED bulb 9W cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 29.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Yeelight products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Yeelight service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10484069/52578686_large.webp