v71 4K Indoor camera with premium wide-angle lens and IR cut filter for day and night use, aperture: f/1.8, max. image angle (HxV): 45 degree x25 degree , max. resolution: 4K UHD (3840x2160)  ,   Integrated IR LED illuminators  ,   WDR: Wide Dynamic Range 120 dB - Day and night sensors  ,   3-axis mechanical pan/tilt head  ,   IK10 with standard dome  ,   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