No
Modern-day alarms are wonderfully effective at fending off intruder either by using motion detecting lights or audible alarms to rapidly alert the property owner. Most alarms can also be connected with the local police department.
Photoelectric smoke alarms are also called optical alarms. They are more expensive than regular alarms. They are also more accurate and less likely to go off unnecessarily.
Smoke alarms may go off simultaneously if there is a widespread presence of smoke or fire in the area where the alarms are installed. This can trigger all the alarms to sound at once to alert people of the potential danger and prompt them to evacuate the premises.
Generally, no.
Smoke alarms may go off simultaneously due to a common trigger, such as smoke or fire in the vicinity. This can activate interconnected alarms in a building to alert occupants of potential danger.
No, because store alarms are not metal detectors.
No, because store alarms are not metal detectors.
poss solution to auto alarm faultjust read the question on auto start alarm would not turn off when keys removedsome keys have a battry fitted in them could try replacing it as most alarms have a back up in them that's why it keeps going.also on some alarms on top off them is a rubber gromet remove this and you will see a key hole if you got the car new you would have been given the key or check for any odd key on the key ring wich might fit
Whatever the sensor is designed to detect.
I have never come across a brand of car alarms that does not offer a model that talks when it is set off. The most highly recommended brands of car alarms that talk are Clifford Car Alarms, Viper Car Alarms, and Commando Car Alarms. A GSM car alarm, with a GSM car alarm you can talk to the thief and notify them that you're going to cut off the fuel supply.
Yes, metal zippers on clothing can sometimes set off airport security alarms due to the metal content.
The alarm auto power-up function on the Samsung Eternity is a feature that automatically turns on the device when the alarm is set to go off. This ensures that the alarm will sound even if the phone is powered off or in standby mode. It is a convenient feature for users who rely on their phone alarms to wake them up in the morning.