Dahua IPC-HFW2441T-ZAS 4MP 5x Varifocal Zoom Bullet IP Camera IR60m PoE SMD+ Mic
> 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. 1 channel in: 5mA 3V–5V DC (Only - ZAS supports). -ZAS: 0.76 kg (1.7 lb).