• Battery powered, long life
(10 years) lithium battery (included)
• Suitable for all rooms
• Dual-ionization technology
• Easy TouchTM Alarm-Pause® feature
• Alarm and power test button
• Operating LED
• Up to 30 days low battery warning
• Battery removal indicator
• Easy installation, mounting hardware included
• Dimensions: 4.4" dia. x 1.5" deep
• 10-year limited warranty (battery included)
• Meets applicable standards, ULC listed