Is the Cync Decorative Full Color ST19 Smart Bulb (2-Pack) Matter certified?

Yes. CSA Matter certificate CSA2505CMAT44974-24 covers model CLEDST196CDGSMS with software 1.03.190. The certificate does not establish the firmware on a unit you buy.

Does the Cync Decorative Full Color ST19 Smart Bulb (2-Pack) use Thread or Wi-Fi?

Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.

Where can I buy the Cync Decorative Full Color ST19 Smart Bulb (2-Pack)?

MatterCatalog has verified store links for it at GE Lighting. Check the current price, model and pack size at the store.

CyncLighting

Cync Decorative Full Color ST19 Smart Bulb (2-Pack)

Name: Cync Decorative Full Color ST19 Smart Bulb (2-Pack)
Brand: Cync

CSA model/software record

CSA Matter certified (certificate CSA2505CMAT44974-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.

At a glance: Matter certified: Yes, Jan 26, 2025 · Connectivity: Wi-Fi, Bluetooth · Thread border router: Not needed (uses Wi-Fi)

Independent guide. These are direct, non-affiliate links; we do not earn a commission from them. How our links work

Cync Decorative Full Color ST19 Smart Bulb (2-Pack)

Sold at GE Lighting

See where to buy ↓

Price at retailer

GE Lighting

Where to buy

1 store

GE Lighting

See price at GE Lighting

Direct, non-affiliate linkNotes

Direct link to GE Lighting's product page. Confirm the exact variant, current price and delivery at the retailer.

Check price at GE Lighting

Check the model, region and pack size at the retailer. Prices and availability are confirmed there.

CSA model/software record

Certificate: CSA2505CMAT44974-24

ST19 decorative LED smart bulbs with full color and tunable white, 500 lumens at 6.2 W, medium (E26) base; sold as a 2-pack. Connects directly over 2.4 GHz Wi-Fi with no hub.

Wi-FiBluetoothMatter

Specifications

Brand: Cync
Category: Lighting
Protocols: Wi-Fi, Bluetooth, Matter
Certificate ID: CSA2505CMAT44974-24
Certified: Jan 26, 2025
Certified model: CLEDST196CDGSMS
Certified software version: 1.03.190

Certification covers the named model(s) and software version(s) listed. It does not verify firmware installed on a retail unit or current retail availability. View CSA model/software record

Ecosystem compatibility

Matter

Quick answers

Is the Cync Decorative Full Color ST19 Smart Bulb (2-Pack) Matter certified?: Yes. CSA Matter certificate CSA2505CMAT44974-24 covers model CLEDST196CDGSMS with software 1.03.190. The certificate does not establish the firmware on a unit you buy.
Does the Cync Decorative Full Color ST19 Smart Bulb (2-Pack) use Thread or Wi-Fi?: Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
Where can I buy the Cync Decorative Full Color ST19 Smart Bulb (2-Pack)?: MatterCatalog has verified store links for it at GE Lighting. Check the current price, model and pack size at the store.

From this product’s catalog record, not hands-on testing. Editorial policy

Best Matter Smart Lights 2026

Buying guide to Matter smart bulbs, strips, and fixtures, compared from specifications and certification records.

Read the full buying guide →

Stay updated

Get notified when new Matter-certified devices launch.

No spam. Unsubscribe anytime.

Cync ST19

CSA model/software record · Non-affiliate link

Check price at GE Lighting