21st Century Distributing

MEMBER

2026081501

www.ring.com

Enlarge

Log In to see Sell Sheet

Ring B0CL5MMTDB | Alarm Smoke/CO Listener (2nd Gen)

21st Part Number:	ACCRINB0CL5MMTDB
Manufacturer:	RING
Manufacturer's PN:	B0CL5MMTDB
Master Carton Pack Qty:	6

Shipping Weight: 1Lbs.

Dimensions: H:2.76 x W:2.76 x D:1.01

Specs:

Ring B0CL5MMTDB | Alarm Smoke/CO Listener (2nd Gen)

Device Dimensions: 70 x 25.6 mm (2.76 x 1.01 inches)

Available Color: White

Power:2 AA Alkaline Batteries (included)

Approximate Battery Life: Up to 10 years

Battery life is dependent on number of events, proximity to Sidewalk Gateway, and other factors.

Connectivity: Amazon Sidewalk

Operating Conditions: 32°F to 120°F (0°C to 49°C)

Box Includes: Device, 2 Screws, 2 Anchors

Setup Requirement:

Indoor only.

Place within 6 inches of existing smoke or CO alarms (for optimal performance, install within 3 inches).

Requires an existing smoke and/or carbon monoxide detector 10 years old or less that complies with all applicable standards. This device does not detect fire, smoke or carbon monoxide. Listener needs to be placed within 6 inches of an existing smoke or carbon monoxide detector. Refer to your detector manufacturer’s recommendations to ensure that the placement of the Listener does not interfere with the function of the detector.

Certifications: UL, FCC

Warranty: One-year limited warranty

Features:

Instant Notifications — Get alerts when your existing smoke or CO alarms go off whether you’re at home, or away.

Easy Installation — Mounts in minutes near existing alarms, no tools or wiring.

No Base Station Required — Connects over Amazon Sidewalk for simple, flexible coverage throughout your home and beyond.

Add 24/7 Pro Monitoring with a compatible Ring subscription — Emergency response for break-ins, fires, and more, with no multi-year contracts.

Overview:

Detects the sound of your existing smoke and CO alarms and alerts you instantly.

Our next-gen smart devices protect where others can’t. Inside, outside, and beyond.

Built to break free from traditional systems with no need for hubs or the limited reach of WiFi. On Amazon Sidewalk, these devices stay connected for reliable protection day and night. Add more devices anytime to expand your coverage as your home security needs grow.

Review:

Dealers Only

Toll Free: 800.849.0647

Phone: 919.779.0273

Fax: 919.779.8994

Hours:

(see individual branch for hours)

Introduction

About Us

Ordering Info

F.A.Q

Home Page

Forms and Contacts

Satisfaction Survey

Training Events

Garner Location:

(Corporate Headquarters)

21st Century Distributing

529 Dynamic Dr.

Garner, NC 27529

8:00am-5:30PM Eastern Mon-Fri

Direct Number: (984) 444-8581

Charlotte Location:

21st Century Distributing

1432 Center Park Dr.

Charlotte, NC 28217

8:00am-5:30PM Eastern Mon-Fri

Direct Number: (980) 224-5577

Buford Location:

21st Century Distributing

2718 Brickton North Dr.

Buford, GA 30518

8:00am-5:30PM Eastern Mon-Fri

Direct Number: (470) 655-0128

Orlando Location:

21st Century Distributing

524 Mid Florida Dr. ste 205

Orlando, FL 32824

8:00am-5:30PM Eastern Mon-Fri

Direct Number: (321) 203-4531

Nashville Location:

21st Century Distributing

4021 Travis Drive

Nashville, TN 37211

8:00am-5:30PM Central Mon-Fri

Direct Number: (629) 206-9152

Pompano Beach Location:

21st Century Distributing

1590 NW 27th Avenue Suite # 6

Pompano Beach, FL 33069

8:00am-5:30PM Eastern Mon-Fri

Direct Number: (754) 205-9057

Marietta Location:

21st Century Distributing

1750 Enterprise Way ste. 111

Marietta, GA 30067

8:00am-5:30PM Eastern Mon-Fri

Direct Number: (470) 905-3397

Gaithersburg Location:

21st Century Distributing

831 Russell Ave

Gaithersburg, MD 20879

8:00am-5:30PM Eastern Mon-Fri

Direct Number: (240) 744-4440

*Nashville Branch is open until 6:30pm Eastern

10:09 AM Saturday, August 15, 2026

Debug Off