Firex 2025 Hardwired Smoke Alarm Pack – 4-Unit Set with Ionization Sensors, UL-Certified Safety Detection

Compatible with Kidde. FireX. code one and sentinel products. The Kidde i4618 is an AC/DC powered. ionization smoke alarm that operates on a 120V power source with 9V battery backup. Contractor box contains 4 alarms. mounting brackets. batteries and wire harness all included.