* NZ-422X:
* 1/4 SONY 420TVL Super HAD CCD
* 0.8 Lux/22X Optical Zoom
* Lens F3.9mm-85.8mm
* RS485 Control
* Remember setting after restart
* NZ-422N:
* 1/4 SONY 420TVL Super HAD CCD
* Color to B/W/22X Optical Zoom
* Lens F3.9mm-85.8mm
* RS485 Control
* Remember setting after restart
* NZ-422R:
* 1/4 SONY 420TVL Super HAD CCD
* IR Sensitive
* 22X Optical Zoom
* Lens F3.9mm-85.8mm
* RS485 Control
* Remember setting after restart
