home security systems india
Landline systems use traditional phone lines to communicate with the monitoring center and, just like cellular systems, they usually have a battery backup to keep them working for a set period of time. However, Voice over Internet Protocol VoIP systems rely on Internet connection, and if the power outage is widespread and causes the Internet service to shut down, then the system won’t work. Best home security systems1. Ring Alarm2. Canary All in One3. Nest Secure4.