Different model has different module cameras, the following is the details:
VT-GNP8181: Sony FCB-EX45CP: 18x opticalzoom*12x digitalzoom, color
VT-GNP8182: Sony FCB-EX480CP: 18x opticalzoom*12x digitalzoom, day&night
VT-GNP8261: Sony FCB-EX980P: 26x opticalzoom*12x digitalzoom, day&night
VT-GNP8361: Sony FCB-EX1000P: 36x opticalzoom
VT-GNP8231: Hitachi VK-S454ER: 23x opticalzoom
VT-GNP8271: LG-327: 27x opticalzoom
VT-GNP8272: LG-627: 27x opticalzoom
Operation index:
Level running: 360?Continuous revolve, 180?Auto flip.
Rotate speed: 0. 5?/S-280?/S level shift, 0. 5?/S-280?/S upright shift.
Tilt rotation range: 90?
Presets positions quantity: 128pcs program speed and stick time.
Cruise routes: 8 groups programmable cruise, each group consisting 16 preset positions.
Scan function: Two points scan can set scan speed and stick time; 360?Scan can set scan speed
Manual menu: OSD menu.
Proportional zooming: Six grade.
Auto-reset: Can be set by yourself.
Baud rate: 1200/2400/4800/9600 optional.
Control protocol: Multi-protocols, optional.
Communication: RS485 bus
Instillation option: Wall mount, pendant mount, ceiling mount.
Autocontrolled zoom speed: Controlled speed is auto-adjusted with the length of zoom.
Fan, Heater: Fan and heater are controlled auto-intelligently
Electrical
Power supply: 24VAC 3A.
Power consumption: 20W
Environment
Operation Temperature: 0?C- +40?C(Indoor)
-40?C- +60?C((Outdoor)
Moisture Operation: 0?95%