CCTV and computers, how to use a UPS in power cuts | CCTV Sinhala Lessons | (EP 64)
31:56
How Causes CCTV Camera System Errors | CCTV Sinhala Lessons | (EP 12)
15:38
How to use a ups for house / ups inverter for home - ups battery charger Sinhala
22:47
what are the advantages and disadvantages of laptop and desktop computer?
10:48
How to Online Hikvision DVR through Mobile App! Hik-Connect Configuration in Sinhala & English
15:31
අඩුම මිලට 4G Wifi cctv Outdoor කැමරා
8:18
Battery charger - How to make 12v battery charger Sinhala | Auto cut off battery charger
35:14
power backup for cctv cameras | CCTV Sinhala Lessons | (EP 74)
17:44