Firex KF20 Optical Smoke Alarm Detector

Optical Smoke Alarm with Alkaline Standby Supply previously known as KF2 or 4881

• Optical smoke alarm
• 230V alarm with alkaline battery
• Loud alarm horn : 85 decibels at 3m - sounds to alert you of an emergency
• Test button to check smoke alarm operation
• Hush button feature : when activated, quiets unwanted alarms for up to 15 minutes
• Interconnects with up to 24 (model 4870, 4973, 4881, 4985) smoke alarms
• Unique power connector prevents interconnection with incompatible smoke alarms or security systems
• Tamper-resist bracket quickly snaps into place and serves as a safeguard against tampering
• Multi-purpose green and red LEDs indicate that the smoke alarm is receiving AC power, working under normal operation, in alarm, or under Hush Button
• Alarm will not attach to mounting bracket if a battery is not in the battery pocket
• Short warning beep sound, approximately once a minute, if the battery is weak or improperly connected
• 6 year guarantee