Battery Operated Smoke Alarm With Photoelectric Sensor, Compact 4 Inch Smoke Detector For Home Fire Protection, Easy No Wiring Setup, Reliable Everyday Safety, 1 Pack

1 Pack: Compact Battery-Operated Photoelectric Smoke Alarm
✔️ 9V battery powered, no wiring, UL 217 rated, compact 4-inch

Battery-powered smoke alarm with a photoelectric sensor designed for quick, easy installation in bedrooms, hallways, and small apartments. The slim 4-inch profile blends into ceilings for discreet home fire protection. UL Listed to safety standards for trusted performance.

✅ Photoelectric sensor detects smoldering smoke while minimizing kitchen alarms
✅ 9-volt battery powered, no wiring required for easy setup
✅ Compact 4-inch diameter design fits ceilings in tight spaces
✅ UL Listed to UL 217 (9th Edition) for reliable protection
✅ Large Test/Hush button, 85 dB alarm, low-battery alert

💡 What is a photoelectric smoke alarm used for in home safety? Photoelectric sensors are handy for catching smoky fires early and avoiding false alarms. - Efficient smoldering-fire detection for living spaces - Reduces nuisance alarms from cooking steam and humidity - Battery-powered, no wiring for quick installation - UL Listed to UL 217 standards for trusted protection