Tamper Resist Feature -Unit goes into constant alarm mode if it has been unplugged or has come loose from the outlet.
9V Battery Backup -Provides continuous protection even during power outages.
Low Battery Hush -Silences low battery chirp warning for up to twelve hours in order to maintain protection without having to replace the battery at an inconvenient time.
Easy Installation -Mounts to any wall outlet.
Battery Pull Tab - Eliminates battery installation time and keeps battery fresh.
Loud 85dB -Alerts you 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.