Complete Kit Contains:
2 x varifocal 2.8-12mm, 4MP HiLook by Hikvision IR Bullet Cameras 
1 x HiLook by Hikvision DVR, H265+, high compression [HL-3655]
2 x 10m cables
Power supply for cameras and DVR
2 camera, complete CCTV kit RF3788 contains 2 x 4 megapixel varifocal HiLook by Hikvision bullet cameras with 2.8-12mm lens. These THC-B340-VF are switchable between high definition technologies TVI, AHD, CVI and CVBS (analog), and with an IP66 rating and 40m IR range, these are ideal for outdoor conditions. This complete camera kit also has a 4 channel HiLook recorder, DVR-204Q-K1 which accepts HD technology and an additional 2 x 6MP IP channels. To finish, the kit contains 2 x 20m power cables and power supply, with additional hard drive if required, making this the perfect plug and play security system for home or business surveillance.
RF3788 Complete CCTV Kit Contains:
4MP high-performance CMOS
2.8mm-12mm vari-focal lens
Up to 40m IR distance
Switchable TVI, AHD, CVI or CVBS (analog)
HiLook by Hikvision DVR - DVR-204Q-K1 [HL-3655]
Easy connection to the internet with the Hik-Connect. No technical or port forwarding knowledge or expertise required.
FREE iPhone, iPad, Android, PC & MAC remote viewing software (iVMS 4200 & Hik-Connect)
Hikvision H.265+ Encoding Technology
Hikvision H.265+ can greatly decrease the file size in the all-day monitoring and decrease
the storage cost in the end.
As a very approx guide for 4 cameras: