c71 Indoor camera with Hemispheric lens and IR cut filter for day and night use  ,   f/1.8  ,   4k image sensor  ,   4MP effective resolution: 2160x2160 (hemispheric original image)  ,   Max. Frame rate (4MP): 30 fps@MxPEG, 30 fps@H.264/H.265  ,   Integrated IR LED illuminator  ,   WDR: Wide Dynamic Range 120 dB  ,   Combined day/night sensor with IR cut filter  ,   IK10 with standard lens cover  ,   Operating temperature range: -10 to +50  degree C  ,   Built-in speaker and microphone  ,   USB-C  ,   8GB memory card included  ,   MTBF 80,000 hours  ,   3 years warranty