Just refer to your preference and set up your own security system. This NVR supports 1 channel's playback at 8MP clarity, 2 CH at 5MP, and 4 CH at 3MP. No need to leave your original cams in the corner, but it saves you extra expense.
eBay
48V-52V POE POE Switch 8/16 Ports 10/1000Mbps IEEE 802.3 af/at Over Ethernet IP Camera Wireless AP CCTV Camera Security System
Aliexpress UK
DARKFIGHTER Technology It's encrypted for security, ensuring that video streams are safe from eavesdropping or hacking. Exceptional 8MP High-Resolution Imaging This design ensures maximum robustness and longevity, making it an ideal choice for both indoor and outdoor surveillance.
eBay
Witrue CCTV Camera Lens 5 Mega Pixel M12 X P0.5 Mount 1/2.5" F2.0 12MM 16MM 25MM Optional for Security Security IP Cameras
Aliexpress UK
1x NVR 4/8/16 Channel HIKVISION DS-7604NXI-K1/4P ,DS-7608NXI-K1/8P. Adopt Hikvision Acusense technology to minimize manual effort and security costs. 4-ch PoE 1U K Series AcuSense 4K NVR. 8-ch 1U K Series AcuSense 4K NVR.
eBay
Outdoor 30X Zoom POE PTZ 4K 8MP 5MP H.265 Audio Speed Dome IP Camera Night Vision 80M CCTV Camera Hikvision Protocol Compatible
Aliexpress UK
【Wireless Pro,More than 100ft Range】 Our security system adopts wireless pro technology,which has enhanced stability, faster video transmission, and lower latency,to guard your safety and ensuring your peace of mind.It has a WiFi module that you can connect with WiFi easily.
eBay
Random Color Outdoor Waterproof CCTV Camera Power Supply Adaptor AC/DC 12V 2A EU US Plug Adapter Charger DIY for Video Ip Camera
Aliexpress UK
Its 4x zoom ensures no detail is missed. 5MP High-Definition Clarity. Wi-Fi 6 Ready, Smooth 5MP Transmissions. You can easily choose the best WiFi band. 2.4/5GHz Dual Band WiFi. No blind spots. Smart & Diversified Playback.
eBay
Hiseeu 4K 8MP Full Color POE IP Camera A8 F1.0 Super Sensor Waterproof H.265 ONVIF Video Surveillance Security CCTV Cameras
Aliexpress UK
ANNKE C500. Even the sensors are pointed to the sun; there are no worries about unclear faces or ambiguous images. Colorize your night with ANNKE-designed color night vision tech. It's important to note that the color night vision needs the ambient external lighting to continue to record colorful images.
eBay
4K 8MP POE PTZ IP Camera XMeye Face Detection Outdoor Video Surveillance CCTV Cameras for NVR ONVIF
Aliexpress UK
Compared with 5Ghz, it perfectly solves the problem of application opening and streaming delay. Set the lights to be always on from 7PM to 9PM, so that you and your children, parents can enjoy after-dinner play in the courtyard.
eBay
WiFi IP Camera Monitor Smart Home 5MP Outdoor Waterproof PTZ CCTV Camera Indoor Auto Tracking Cam V380 Pro app
Aliexpress UK
Professional-grade surveillance with industry-leading ColorVu technology. Advanced ColorVu technology provides vivid color imaging even in complete darkness. REVOLUTIONARY COLORVU NIGHT VISION. HIKVISION's groundbreaking ColorVu technology revolutionizes night surveillance with full-color imaging 24/7.
eBay
CCTV Camera Lens 5 Mega Pixel M12 X P0.5 Mount 1/2.5" F2.0 12MM 16MM 25MM Optional for Security Security IP Cameras/Sports Cam
Aliexpress UK