• Wire-In Combo CO/Smoke Alarm w/Battery Backup
• Mfr. item number - 21006377
• 120V AC direct wire alarm with backup
• Ionization smoke sensor, electrochemical CO sensor
• Alarm/voice warning system
• Warns of hazard by announcing 'Fire, fire' or 'Warning, carbon monoxide'
• Smart Hush silences unit for nuisance alarm situations
• Red LED for alarm mode
• Green LED indicates AC power is present
• Test/Reset functions
• Alerts user to replace CO alarm after 7 years or operation
• Adjustable mounting bracket
• Requires (1) 9V battery for backup (included)
• Weight: Approximately 1 pounds
• Shipping Dimensions: Approximately 8 x 7 x 2 inches.