Hikvision 2MP Dome Built-in Mic 

Model: DS-2CE76D0T-ITPFS

Built-in Mic; Optional 2.8mm Lens

Hikvision 2MP Fixed Turret Camera

Model: DS-2CE76D0T-EXIPF

Without Mic Optional 2.8mm Lens

Hikvision 2MP Audio Fixed Mini Bullet Camera

Model: DS-2CE16D0T-ITFS

Built-in Mic; Optional 2.8mm Lens

Hikvision 2MP Fixed Mini Bullet Camera

Model: DS-2CE16D0T-EXIF

Without Mic; Optional 2.8mm Lens

Hikvision 2MP Smart Hybrid Light Fixed Turret Network Camera

Model: DS-2CD1323G2-LIU

Built-in Mic; MD 2.0

Hikvision 2MP Fixed Turret Network Camera

Model: DS-2CD1323G0E-I(C)

Without Mic