3-pack Kidde Voice Smoke Detector, Hardwired w 10-year Battery Backup 20SA10-V
3 × Kidde 20SA10-V Hardwired Smoke Detector(December 2025). 🔹 Hardwired smoke alarm with sealed 10-year battery backup. 🔹 🔋 Maintenance-free sealed lithium backup battery—no annual battery changes.
Kidde 20SA10-V Hardwired Smoke Detector Alarm 10-Year Battery Voice Alerts
Kidde 20SA10-V Hardwired Smoke Detector Alarm. The box has been opened to verify and test the unit. It is in perfect working order. This alarm features advanced photoelectric technology engineered to minimize false alarms from cooking steam.