Kidde i4618AC Hardwired Smoke Detector With Battery Backup

The Kidde i4618AC Firex hardwired smoke detector with battery backup is a wired smoke detector designed to sense smoke and provide alerts when smoke is detected. Model i4618AC is part of Kidde's Firex line, representing a hardwired safety device intended for permanent installation where continuous protection with backup power is required. The built-in battery backup ensures the unit remains operational during power outages, preserving smoke detection even when the main electrical supply is interrupted. This configuration combines mains-powered smoke sensing with independent backup power, making it a practical upgrade for existing wired alarm systems that require reliable performance during outages. By choosing the i4618AC, users get a trusted Kidde Firex solution that emphasizes dependable smoke detection within its product family.