# Smart ceiling lamp Yeelight Mars C400 edge-lit — 16 million colors, energy class D

**URL:** https://aio.lv/en/product--yeelight-ylxdd-0267--11550073
**Data updated:** 2026-02-15 12:49 (EET)
**Category:** Chandeliers and floor lamps
**Manufacturer:** Yeelight
**Manufacturer code:** YLXDD-0267
**EAN:** 6924922260707
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 80.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 66.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--yeelight-ylxdd-0267--11550073

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Yeelight Mars C400 is an edge-lit smart ceiling lamp offering 16 million colors and adjustable lighting for home use. Compatible with smart controls, it provides customizable scenes, dimming and color temperature adjustment for living rooms, bedrooms or offices. Energy efficiency class D indicates moderate power consumption. Easy to install and suitable for daily lighting needs.

## Long description

Yeelight Mars C400 is an edge-lit smart ceiling lamp that delivers adjustable ambient lighting with up to 16 million colors. Designed for home environments, the fixture supports color temperature adjustment and dimming to create customized scenes for living rooms, bedrooms or small offices. The lamp integrates with common smart controls to allow remote operation and scheduled lighting. Energy efficiency class D indicates moderate power consumption compared with more efficient classes.
Advantages
The edge-lit design produces even, glare-reduced illumination across the room while maintaining a slim ceiling profile. Support for 16 million colors and wide color temperature range enables precise mood and task lighting. Built-in smart compatibility allows control via apps, voice assistants or automation routines. The lamp is rated for typical residential use and can be installed in standard ceiling mounts.
Suitable for
Living rooms where adjustable ambient and accent lighting is required
Bedrooms for night, reading and wake-up lighting scenes
Home offices or study areas needing dimmable task lighting
Hallways and entryways for uniform, low-profile ceiling illumination
Key specifications
Lighting type: edge-lit LED ceiling lamp
Color capability: up to 16 million colors
Color temperature: adjustable (warm to cool white)
Dimming: smooth dimming via smart control or app
Control options: mobile app, voice assistant and automation support
Form factor: low-profile ceiling fixture suitable for standard mounts
Energy efficiency class: D (moderate power consumption)
How to use
Install the Yeelight Mars C400 in a standard ceiling junction box following local electrical codes and the manufacturer’s mounting instructions. After powering the fixture, connect it to the home Wi‑Fi network using the Yeelight app or compatible smart home platform. Use the app or voice commands to select colors, set color temperature, create scenes, schedule on/off times and adjust brightness. For manual control, use any in-line wall switch as needed, then restore smart control through the app.
Usage recommendations
For balanced ambient lighting, set the color temperature to a neutral white for daytime use and switch to warmer tones in the evening. Use lower brightness levels for night scenes to reduce glare in bedrooms. When creating scenes for work tasks, select cooler white and higher brightness to improve concentration. Ensure periodic cleaning of the diffuser with a soft, dry cloth and switch off power before maintenance.

## Specifications

| Feature | Value |
|---|---|
| Energy efficiency class | D |

## FAQ

### How much does the Yeelight Mars C400 smart ceiling lamp cost, and is it available for purchase?

The price is 80.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 10.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Yeelight Mars C400 smart ceiling lamp be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

### Where can I download the instructions for Yeelight Mars C400 smart ceiling lamp?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11550073/66550273_large.webp