Tube camera 4MP lens 2.8-12 mm electric zoom to the manufacturer's website model: IPC2324LB-ADZK-G Type: IP a building: Pipe resolution: 4MP lens: 2.8-12 mm IR range: 50 meters Opacity level: IP67 WDR: WDR Electric zoom: Exists SDCARD: Exists Built-in microphone: Exists SKU: 090304