USI AMIC3511SB 3-in-1 Sensing PLUS Smoke, Fire and CO Alarm
| Product Type | Combination smoke, fire, and carbon monoxide alarm |
| Brand | USI (Universal Security Instruments) |
| Model Number | AMIC3511SB |
| Alarm Type | Smoke and carbon monoxide alarm |
| Detection Technology | Multi-criteria smoke detection with ionization and electrochemical CO sensor |
| Power Source | Sealed 10-year battery |
| Battery Chemistry | Lithium-free alkaline |
| Replaceable Battery | No (sealed 10-year battery) |
| Interconnectivity | No |
| Special Features | Quick Find alarm identification |
| Sound Output | 85 dB alarm |
| Dimensions | 5.6" x 5.6" x 1.6" |
| Safety Listing | ETL Listed |
| Safety Standards | UL 217 and UL 2034 |
| Warranty | 10-year limited warranty |
Please refer to the product description or manufacturer documentation for included items.
The USI AMIC3511SB Sensing Plus® Combination Smoke, Fire, and Carbon Monoxide Alarm provides reliable home safety by detecting multiple life-threatening hazards in a single device. Designed with advanced multi-criteria detection technology, this alarm combines smoke detection and carbon monoxide monitoring to protect against both fast-flaming fires, slow-smoldering fires, and dangerous CO gas.
Powered by a sealed 10-year battery, the AMIC3511SB offers maintenance-free protection for an entire decade without the need for battery replacements. The built-in microprocessor analyzes smoke patterns to help minimize nuisance alarms caused by cooking or steam while still providing fast, reliable alerts when real hazards occur.
With simple installation, a convenient test/silence button, and a loud 85-decibel alarm, this smoke and carbon monoxide detector is ideal for residential safety applications including houses, apartments, and mobile homes. The unit meets UL 217 and UL 2034 safety standards and includes a 10-year warranty for long-term reliability and peace of mind.
Key Features
• 3-in-1 Protection – Detects smoke, fire, and carbon monoxide in a single alarm
• 10-Year Sealed Battery – Maintenance-free operation for the life of the detector
• Multi-Criteria Detection Technology – Helps distinguish real fire conditions from nuisance smoke
• Carbon Monoxide Monitoring – Built-in electrochemical sensor detects dangerous CO gas
• Loud 85 dB Alarm – Audible warning helps alert occupants quickly
• Quick Find Feature – Identifies the first alarm triggered in a system
• UL Certified Safety – Meets UL 217 and UL 2034 safety standards