The Universal Security Instruments SS-770-24CC Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by 9-volt batteries (included) and is suitable for installation in houses, apartments, dormitory rooms and mobile homes. Fast and easy to install with no wiring required, the SS-770-24CC features an audible low battery indicator and an alarm/power test button to ensure that the device is functioning properly. All hardware is included to mount the round and flat plate that is designed for a quick installation.
This smoke and fire alarm is UL Listed and Federal Housing Authority (FHA) approved to exceed industry standards. For maximum protection, install an alarm inside every bedroom, outside every sleeping area and on all levels of the dwelling. The Universal Security Instruments SS-770-24CC Battery-Operated Ionization Smoke and Fire Alarm comes with a 3 year limited warranty.
Warranty: 3 year Limited Warranty
Alarm Battery: 9 volt (Included)
Alarm Sensor Type: Ionization
Manufacturing Credits: ISO 9001 certified factory, UL listed & CSFM listed
Product Dimensions (W x H x D): 4.25 x 4.25 x 1.38 in.
Excellent Value and Ensures Safety - 10/12/2016
Reviewer: Bill Arsenault
I discovered a smoke detector that was too old. Lots of my other ones were also. Even though they still tested good, they may not have worked in a fire situation. The test buttons only test the alarm, not the sensor. So I ordered a 6-pack and now two more singles. I am now secure and safe again with all new detectors. A wonderful product!! And since most permit inspections require one in each bedroom, this is a fantastic way to satisfy that requirement and make you safe and secure.
UNIVERSAL SECURITYSTORE - 07/10/2015
Reviewer: John Juarez
Hello, I john m Juarez received my smoke and fire alarm. very good value and safety for my family and friends. thanks again, John...
Reviewer: Bruce Newkirk
Exact replacement I needed.
Q: WHY DOES MY SMOKE ALARM 'CHIRP' APPROXIMATELY ONCE EVERY MINUTE?
A: The smoke alarm chirps to indicate a "low battery" condition, meaning the battery needs to be replaced. Battery powered smoke alarms will chirp a minimum of 30 days before the battery completely loses power.
AC powered smoke alarms with battery backup will chirp indefinitely assuming AC power is present; if battery power is low, or battery is removed; until a fresh battery is installed. Approved replacement batteries are listed on the back of each smoke alarm and in the user's manual.
Certain model smoke alarms with a silence button (designed to silence the alarm during a nuisance alarm) may chirp to indicate the smoke alarm is in the silence mode. The chirp will stop after approximately 8 minutes and the smoke alarm will return to its normal operation.
Q: WHAT DOES IT MEAN WHEN THE RED LIGHT ON THE ALARM FLASHES APPROXIMATELY ONCE EVERY MINUTE?
A: The flashing red light gives a visual indication that the smoke detector is functioning properly. It also indicates a working battery is connected to the smoke alarm.
Q: WHAT DOES THE CONTINUOUS GREEN LIGHT ON MY SMOKE ALARM INDICATE?
A: When a green light is present on your smoke detector, it means that AC power is currently operating the alarm.
Q: THE GREEN LIGHT ON MY SMOKE ALARM HAS GONE OUT, WHAT DOES THIS MEAN?
A: If the green light on your smoke detector is not on, it means the AC power has been interrupted to the alarm. Check the circuit breaker and AC wiring to make sure power is still reaching the smoke alarm.
Q: HOW CAN I TELL WHICH SMOKE ALARM IN A MULTI-STATION SYSTEM INITIATED THE ALARM?
A: When interconnected alarms are alarming, the smoke alarm which initiated the alarm, either by test button or sensing smoke, will flash the red LED light approximately once per second. The red LED light on the other non-initiated interconnected smoke detectors will not be lit but will sound the alarm.
Q: HOW MANY SMOKE ALARMS OR DEVICES CAN BE INTERCONNECT AT ONE TIME?
A: The NFPA 72 standard states the interconnect limit is 12 smoke alarms and up to 6 other alarms (heat alarms or carbon monoxide detectors) for a total of 18 total alarms. With 18 alarms interconnected, up to an additional 6 relay modules may be interconnected (for a maximum of 24 devices).
If battery backup alarms and non-battery backup alarms and accessories are mixed in an interconnect system, all devices without battery backup WILL NOT operate during an AC power failure.
CAUTION: USI alarms and accessories should only be interconnected with other USI alarms and accessories. Connecting devices from another manufacturer to USI devices may result in nuisance alarms, failure to alarm, or damage to one or all of the devices in the interconnect system. All interconnected USI alarms should be powered by the same fuse or circuit breaker. Smoke alarms shall not receive their power from a circuit that is protected by a ground fault circuit interrupter. Improper connection will result in damage to the alarm, failure to operate, or a shock hazard.
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