Dahua IPC-HFW2441T-ZS 4MP WizSense Vari-focal Bullet Built-in MIC IR IP Camera
ZS: 0.99 kg (2.2 lb). -ZS: 0.73 kg (1.6 lb). Focal Length. > Alarm: 1 in, 1 out (Only - ZAS supports); audio: 1 in, 1 out (Only - ZAS supports); supports max. 256 G Micro SD card; built in MIC. Built-in MIC.