This video shows how to repair a GSM alarm system that is draining battery life. The creator, who is not a professional repairman, walks viewers through the process of troubleshooting and fixing the alarm, including replacing the battery and speaker. The video also covers how to reset the alarm to factory settings.
7561 4 Π³ΠΎΠ΄Π° Π½Π°Π·Π°Π΄ 11:45