Kidde Fire Sentry DC Smoke Alarm w Plate, 4 inch (Ionization) Manufacturer: Kidde No wiring required Unit uses ionization technology for excellent fast-flaming fire detectionAudio alarm: 85 dB at 10 ft.UL listed SKU: 150914 Weight: Length: Width: Height: Availability: Our Price: $9.95 Availability: Usually ships within 1 to 2 business days Qty: Add to cart Add to wishlist Email a friend Ask question about product Details This alarm operates on one 9V battery which is included (no wiring required) for continuous protection— even during a power outage. 3-Year warranty. Technical Data: — Sensor: Ionization — Size: 4" x 1 7/16" — Weight: 8 oz. — Warranty: 3-year limited Customers who bought this item also bought EZ Pro Sock Holders- Assorted Colors Our Price: $4.95 Face Mask with Dual Exhale Vents- Grey Our Price: $3.95 Cafeteria Tray- Brown- 10 x 14 Our Price: $4.95 Mobility Safety Light for Rollators-Walkers-Canes Our Price: $19.95 Black Cotton Face Mask with Breathable Vent and... Our Price: $4.95 Pandemic Face Shield - Premium Durable Quality... Our Price: $5.95 Thermometer Digital 9 Second Fahrenheit and Cel... Our Price: $13.95 Cafeteria Tray- Chocolate Brown- 14-in x 18-in Our Price: $5.95 Space Saver Bed Wedge- 10 in x 20 in x 20 in Our Price: $29.95 Can Opener for Ring Pull Cans Our Price: $4.95 3 Ply Disposable Face Masks - 50 per Poly Bag Our Price: $8.00 Kidde Smoke Alarm with Battery Backup Our Price: $29.95 < > Product tags Smoke Detectors (21) , Kidde (10) , Smoke Alarms (16) , Top Sellers (5604)