First Alert GCO1 Combination Explosive Gas and Carbon Monoxide Detector (9v battery)

First Alert GCO1 Combination Explosive Gas and Carbon Monoxide Detector is for you if you want protection from 3 types of gasses in your home, and you want a detector to protect you from natural gas leakage, propane gas, methane gas and carbon monoxide in your household. The GCO1 Alarm is equipped to be mounted as a corded unit (recommended for natural gas detection), a direct plug unit (recommended for propane gas detection). The unit can be plugged directly into a wall outlet. If the adapter is taken out of the unit, the Alarm can be installed high on the wall, while the adapter is plugged into a wall outlet. The explosive gas you use will determine if the Alarm should be installed high on the wall (AC cord option) or low on the wall (direct plug option).

• 3-way detection of combustible gas: 3 threats sensed in 1 alarm: carbon monoxide, propane gas and natural/methane gas plug in protection from combustible gas leakage and carbon monoxide alarm plugs into any standard 120v ac outlet. line cord allows for high mounting to sense methane, low mounting for propane 
• Detector has remote controlled mute: point & click any remote control unit to quiet unwanted alarms (remote not included)
• EZ view backlit digital display: easy viewing of danger levels, current, and peak co levels in your home 
• Battery powered backup: provides consistent protection for added safety during power outages 
• Alarm mute button: mutes unnecessary alarms immediately. also tests alarm functions with same button
• EZ access battery door: front-open compartment allows easy battery change without dismounting alarm
• Low battery signal mute: quiets low battery signal for up to 8 hours
• Electrochemical multi gas sensor: most accurate technology available for detecting carbon monoxide
• End of detector life timer: alarm chirps when it is time to replace it
• 9v battery included
• loud 85db alarms 5-year limited warranty carbon monoxide alarms should be replaced every 5 years for maximum protection meets UL1484 & UL2034 gas detector standards

PRODUCT MANUAL