Part 1: introduce the pain points customer may encounter when picking security cameras, especially when he or she is knowledge-absent about security camera. Part 2: introduce what is bullet camera (appearance, main applicable scenarios, etc.) Part 3: introduce what pros or advantages does bullet camera has, especially compared to dome or turret cam. Please drop those pros with points. Part 4: Recommend three models of HIKVISION bullet cams: one mode that is cost-effective and quite affordable
Write an article mainly focus on bullet security camera introduction:
Part 1: introduce the pain points customer may encounter when picking security cameras, especially when he or she is knowledge-absent about security camera.