In the monitoring of buildings in the park, corridors, stairways and other areas, the recommended cameras include () (Multiple Choices)

In the monitoring of buildings in the park, corridors, stairways and other areas, the recommended cameras include () (Multiple Choices)
A .  HD Low Illumination Wide Dynamic Speed ​​ Dome
B .  HD Low Illumination Hemisphere
C .  HD Low Illumination Wide Dynamic Gun
D .  Infrared HD Hemisphere

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Answer: BCD