• Sealed 3V Lithium Battery Backup - 10-year* tamper proof battery eliminates need for battery replacement. Alerts user to replace alarm after 10 years of operation.
• Voice Warning - Warns of hazard by announcing “Fire!” or “Warning, Carbon Monoxide.”
• Intelligent Sensor Technology - Reduces nuisance alarms and offers fast response to real fires.
• Test/Hush Button Functions - A single button that tests alarm circuitry and temporarily silences nuisance alarms.
• Two LED Display - Red LED indicates alarm mode, Green LED indicates AC power is present.
• Peak Level Memory - Alerts user when the unit has detected CO concentrations of 100ppm or higher.

The Kidde CO120X can be used to activate auxiliary warning devices such as external bells and sirens, hallway or stairway lighting. This relay will only activate when it receives a CO signal from an interconnect Carbon Monoxide Alarm. When in the activated mode (as a result of a CO signal), this device will deactivate if it receives a smoke interconnect signal from a compatible device.

• Tamper Resist Feature – Can be activated to cause unit to go into alarm if it has been unplugged or has come loose from the outlet. 
• 2 AA Battery Backup – Provides continuous protection even during power outages.
• Low Battery Hush – Silences low battery chirp warning for up to 12 hours in order to maintain protection without having to replace the batteries at an inconvenient time. 
• Event Memory – If the unit has detected CO concentrations of 100ppm or greater, the green LED will flash every 10 seconds. 
• Battery Pull Tab – Eliminates battery installation time.
• Loud 85 Decibel Alarm – Alerts of deadly CO gas.
• Test/Reset Button – Tests the alarm electronics and resets the unit during alarm.
• Green Led – Indicates alarm is receiving power and operating properly. 
• Red Led – Illuminates when in alarm mode.
• Quality Design – 10 year limited warranty
• UL Listed – Listed by UL as a 
• Single Station Carbon Monoxide Alarm ( Model KN-COB-DP2) ( Assembly # 900-0263 )

• Digital Display- Displays the level of CO the unit is sensing. LEDs provide clear daytime visibility that automatically dims in dark conditions.
• Peak Level Button- Displays the highest level of CO recorded since last reset. Ideal for checking previous conditions while away or to assist medical responders.
• Test/Reset Button-