Ring Alarm Smart Smoke and CO Detector, Wireless, 3V Lithium Battery Included, Non-Rechargeable, Z-Wave, White (4SS1S8-0EN0), (Replaces 4SC2S90EN)

Keep staff, residents and assets safer with the Ring Alarm Smart Smoke and CO Detector — a compact, wireless listener that turns traditional smoke and carbon monoxide alarms into smart security devices. The Ring brand detector monitors existing alarm signals and sends instant notifications to your phone or tablet, enabling faster response and coordinated monitoring across properties. Built for practical deployment, this wall-mount combination detector operates on a 3V lithium battery (included) and uses Z-Wave connectivity to integrate easily into your Ring Alarm or compatible smart-home security network. Install it within 3"–6" of your current smoke or CO alarms to preserve existing detection coverage while adding remote surveillance and alerting capabilities. Ideal for property managers, small businesses and facilities teams, it supports optional 24/7 professional monitoring via Ring Protect Plus for continuous incident oversight. Enhance your security and monitoring strategy with a low-maintenance, wireless solution that blends into existing systems—order the Ring Alarm Smart Smoke and CO Detector to upgrade safety across your sites.

• Instant mobile alerts and local alarm listening that keep facility managers and homeowners informed 24/7 for faster incident response
• Seamless Z-Wave wireless integration with Ring Alarm systems and compatible smart-home hubs for centralized security and monitoring
• 3V lithium battery included for reliable, long-life operation with low maintenance—non-rechargeable for safe, predictable performance
• Designed to sit within 3"–6" of existing smoke or CO alarms for quick detection and minimal installation disruption
• Indoor wall-mount form factor in a clean white finish that fits commercial and residential environments without additional wiring