DS-2CE19U1T-IT3ZF 4K 自动聚焦变焦球形摄像头说明书 DS-2CE19U1T-IT3ZF 4K Motorized Varifocal Bullet Camera ⏹8 MP bullet camera ⏹Lens focuses automatically when zooming in or out ⏹EXIR 2.0: advanced infrared technology with 80 m IR distance ⏹Water and dust resistant (IP67)⏹ ...