System Sensor COSMO-4W i4 Series 4-Wire CO and Smoke Combination Detector provides dual protection by monitoring both smoke and carbon monoxide within a single device. Designed for use with the i4 Series platform, it delivers reliable detection, simplified system integration, and interconnected alarm capabilities for enhanced life safety coverage.

• Combination smoke and carbon monoxide detector in a single 4-wire device
• Compatible with the i4 Series platform and integrates with a wide range of fire alarm control panels using the required COSMOD4W interface module
• Supports interconnected alarm operation, allowing all connected detectors to sound when one unit enters alarm
• Sends distinct smoke and carbon monoxide signals to the control panel for accurate event identification
• Supports up to 12 compatible detectors on a single interface module for streamlined installation and system expansion