Battery Alarm

Should be done regularly scheduled maintenance of batteries in your alarms at specified intervals of time. If the tests prove unsatisfactory, replace your battery is required. 
dough is very fast and easy, since most modern security systems have a switch (key test), giving you accurate information about the status of your battery and the time of booking. Pressing this button activates the open circuit test device (simulating the loss of electricity). If the battery is unfit you do not protect your homes secure.