TandemVu 8C Series 4 MP 42X DarkFighter Network Speed Dome Captures a large area and great details at the same time Focal Length Bullet channel: 4 mm, PTZ channel: 6 to 252 mm High quality imaging with 4 MP resolution for both bullet channel and PTZ channel 24/7 colorful imaging and excellent low-light performance with DarkFighter 2.0 technology Bullet channel tilt adjustable from 7° to 17° Secures an expansive area with 42 × optical zoom and 16 × digital zoom Expansive night view with up to 30 m white light distance and 300 m IR distance Supports deep learning functions Water and dust resistant (IP67) and vandal resistant (IK10) excluding glass window Audio visual alarm: The white flashing light and audible warning can be triggered by certain events