Nearity V520D 4K UHD 20x Zoom in total. PTZ Lens: Pan Range: ±175°; tilt: ±30°. Prime ;Lens:FOV(D) 120° 4 Preset Positions 6-element MEMS microphone array. Effective pickup distance: 5m AI modes: Auto Speaking/Speaker Tracking/Zone following/Close-up group.Abundant interfaces.