First Alert SA303CN3 Wireless Battery Operated Smoke Alarm, Ionization, 85 Db

Product Features

• Type: Wireless, Battery Operated, Basic
• Battery Type: 9
• Sensor Type: Ionization
• Sound Level: 85 dB
• Includes: Mute Button, Test/Silent Button
• Standards: UL 217
• Mute button, mutes unnecessary alarms immediately. Also tests alarm function with same button
• EZ access battery door, no need to remove alarm from ceiling to change battery
• Optional theft prevention lock, when activated, batteries and or alarm cannot be removed without proper tool
• Ionization smoke sensor, optimal smoke detection from flaming fires or 10 year lithium battery included