Product DescriptionSpeed Dome camera(NV-91) Suitable size, elegant design; Built-in imported integrated camera module; 1/4" IT EXVIEW HAD CCD; Min. Illumincation 0.002 Lux (0 Lux with IR); Horizontal 360 degree continuous turning; Speed changed according to zoom change; 128 pieces preset point; The highest preset point call back speed up to 400 degree/s Preset point call back precision up to 0.025 degree; Support OSD menu function; 8 pieces point to point scan way; 8 pieces point auto patrol way; 8 pieces privacy masking zone; 4 pieces auto-study trace; Support plan duty function; Image frozen function, effectively save HDD space; Camera Position remote control function; Menu passward protection function Support Pelco-P, Pelco-D, VC...Multi-protocol; Input Voltage: AC24V or DC 12V Selectable; Anti-power surge adaptor to protect circuit; 8 channels alarm PCB is selectable;
