# Eco Light CM-3B Microwave Motion Sensor

**URL:** https://aio.lv/en/product--eco-light-0001-00019-03978--12457175
**Data updated:** 2026-05-18 09:30 (EEST)
**Category:** Smart Sensors
**Manufacturer:** Eco Light
**Manufacturer code:** 0001-00019-03978
**EAN:** 5905036203409
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eco-light-0001-00019-03978--12457175

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Eco Light CM-3B is a high-precision microwave motion sensor designed for automated lighting control. Utilizing advanced microwave technology, it detects movement through walls, glass, and thin materials, making it ideal for indoor installations in corridors, stairwells, and utility rooms. This reliable sensor ensures energy efficiency by activating lights only when motion is detected, offering a practical solution for modern smart home and commercial building management systems.

## Long description

The Eco Light CM-3B Microwave Motion Sensor is a high-precision device engineered for automated lighting control in various indoor environments. By utilizing advanced microwave technology, this sensor detects movement even through obstacles such as walls, glass, and thin partitions, ensuring reliable performance in areas where traditional infrared sensors might struggle. It serves as an efficient solution for managing lighting systems, helping to reduce energy consumption by activating lights only when motion is present.
Advantages
The primary benefit of the Eco Light CM-3B is its exceptional sensitivity and ability to detect motion through non-metallic materials, which allows for discreet installation behind ceilings or walls. Its automated operation significantly improves energy efficiency by eliminating unnecessary lighting usage in unoccupied spaces. Furthermore, the sensor is designed for seamless integration into modern smart home and commercial building management systems, providing a consistent and responsive lighting experience.
Suitable for
Corridors and hallways
Stairwells
Utility rooms and basements
Commercial office spaces
Storage areas
When it may not be suitable
This sensor may not be suitable for areas with high levels of vibration or where large metallic objects are present, as these can interfere with microwave signal propagation and cause false triggers. It is also not recommended for outdoor use unless specifically protected from environmental elements.
Key specifications
Technology: Microwave motion detection
Detection range: Adjustable
Installation: Indoor
Compatibility: Standard lighting systems
Energy efficiency: Automated activation
How to use
The sensor should be installed by a qualified professional in a location that provides optimal coverage for the intended area. Once mounted, the sensitivity and time delay settings can be adjusted according to the specific requirements of the room. After installation, the device will automatically detect movement within its range and trigger the connected lighting circuit, turning the lights off after a predetermined period of inactivity.
What to consider before purchase
Check the material of the surrounding surfaces to ensure they do not block or reflect microwave signals excessively.
Verify the compatibility of your existing lighting fixtures with the sensor's switching capacity.
Ensure the installation height is within the recommended range for optimal detection performance.
Usage recommendations: To maintain peak performance, periodically test the sensor's detection range and ensure that no large moving objects, such as fans or heavy curtains, are placed within the immediate detection zone to prevent false activations.

## FAQ

### How much does the Eco Light CM-3B Microwave Motion Sensor cost, and is it available for purchase?

The price is 16.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 33 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 23.07.2026 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. 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 Eco Light 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 Eco Light 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/12457175/68759363_large.webp