Door Alarm with key
Door Alarm with Disarm KeyThis compact, attractive MAGNETIC DOOR ALARM by Safe Family Life uses magnetic affinity to initiate its 110 decibel siren. The base of the alarm is attached to door or window frame, the actuator is connected to the window or door. The alarm is activated by opening the door or window. Great for any door or window, particularly those hard to protect sliding glass doors. Requires three lithium button cell batteries (included). This unit has a disarm key to activate the unit instead of an on/off switch. This prevents the alarm being easily disarmed. To disarm the unit insert the disarm key. 2 1/2" x 1 1/2" x 5/8"
From the American Tinnitus Association website: We measure the loudness of sound in decibels (dB). Most experts recommend that you use earplugs when exposed to 85 dB and above. But what does 85 dB mean? The following chart shows common sounds and their associated sound levels. 70 dB Washing Machine 80 dB Alarm Clock 2 feet away 100 dB Blow Dryer, Subway Train 105 dB Chainsaw, Power Mower 110 dB Screaming Child 120 dB Rock Concert 130 dB Jackhhammer, Jet Plane
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