Camera Combo Includes:
4 x HiLook by Hikvision 4MP, IP66, Bullet IR cameras 
1 x HiLook by Hikvision network DVR H265+ high compression [HL-3655]
4 camera combo kit RF3786, contains a 4 channel DVR with H.265+ compression DVR-204Q-K1, accepting AHD, CVI, TVI and CVBS (analog) and 2 x 6MP IP camera inputs. The RF3786 camera kit also includes 4 x HiLook by Hikvision bullet cameras, THC-B240-M providing a 3.6mm fixed lens, 4 megapixel resolution and 40m IR range.
RF3786 Combo Kit Specification:
HiLook Bullet Cameras - THC-B240-M 
4MP high-performance CMOS
3.6mm fixed focal lens
Up to 40m IR distance
Switchable TVI, AHD, CVI & CVBS (analog)
HiLook 4 channel DVR - DVR-204Q-K1 [HL-3655]
Self-adaptive HD-TVI, HD-CVI, AHD & CVBS (analog) signal input
Also accepts 2ch 6MP IP cameras input
Long distance transmission over UTP & coaxial cable
One-key enable H.265+ compression
Supports real-time 1080P lite
4-ch synchronous playback
Please see Datasheet in DOWNLOADS
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: