Carbon monoxide detector / smoke alarm in one with 3 years life battery

• Sensors detect smoke and carbon monoxide hazards early, alarm provides 85 dB warning of danger; separate alarm sound for each hazard
• Improved technology delivers superior performance and earlier smoke warning compared to non-photoelectric devices, which better protects you, the ones you love, and your home
• Test/reset button simply to use to check proper performance; the unit automatically resets following the dispersal of smoke/gas hazard; blinking LED indicates ready mode
• Simple to install with just 2 screws and 2 anchor plugs; easy to maintain; manual includes full instructions
• 5.1 x 5.1 x 2.5 inches, 6 ounces; 2 x AA alkaline batteries included, unit designed for long battery life

Features:

• MCU processing
• Low power consumption design, the battery used for over 3 years
• On-top battery compartment, easy battery replacement
• Tamper-resistant pins for battery
• Low battery warning
• Shockproof design, suitable for vehicle use
• Auto check, malfunction in the smoke chamber
• Test and hush function
• Auto-reset