We are lanuched to GIR LED  HD SDI 1080P Series Camera,

VU- HDG804VC2  have 3M Pixels SDI 8-20mm Auto MEGAPIXEL IRIS IR Vandal proof  Camera(1080P) the color have white and black smart case,

High-performance 1/2.8" Sony CMOS 3M CMOS sensor,3M(2048*1536), 1080P
 1920x1080P@25fps/1920x1080P@30fps, high resolution and image quality.color：0.2 Lux @ F1.2；Night：0.01 Lux @ F1.2
  HD-SDI output, no compression, no delay
  ICR cut filter for day and night supervision,MEGAPIXEL LENS 8-20MM
  Support OSD menu and RS-485 remote control
  3rd generation IR led with long life, low power consumption and
  lumen decay,3PCS￠Generation IR  LED,Distance:50M(option)WDR Function

also Have VU- HDG830DVC1   3M Pixels SDI 4-9mm Auto IRIS IR Vandal proof Dome Camera(1080P) Series

High-performance 1/2.8" Sony CMOS 3M CMOS sensor,3M(2048*1536), 1080P
 1920x1080P@25fps/1920x1080P@30fps, high resolution and image quality.color：0.2 Lux @ F1.2；Night：0.01 Lux @ F1.2
  HD-SDI output, no compression, no delay
  ICR cut filter for day and night supervision,MEGAPIXEL LENS 4-9MM
  Support OSD menu and RS-485 remote control
  3rd generation IR led with long life, low power consumption and
  lumen decay,30PCS F5 IR LED,Distance:30M(option)WDR Function

Even if the SDI Have high Pixel ,but the effective Distance less than 4OM, so if it's have long ditance need to transmit , please use the optical Fiber  also need the SDI Port,