Hikvision 4MP IR Varifocal Dome Network AcuSense Camera Powered by Darkfighter 2.8mm to 12mm lens Audio/Alarm I/O 12VDC ? 25% 5.5 mm coaxial power plug PoE 3 year warrantyEmpowered by deep learning algorithms Hikvision AcuSense technology brings human and vehicle targets classification alarms to front- and back-end devices. The system focuses on human and vehicle targets vastly improving alarm efficiency and effectiveness.High quality imaging with 4 MP resolutionExcellent low-light performance with powered-by-DarkFighter technologyMotorized varifocal lens for easy installation and monitoringClear imaging against strong backlight due to 120 dB true WDR technologyEfficient H.265+ compression technologyFocus on human and vehicle targets classification based on deep learningAudio and alarm interface availableWater and dust resistant (IP66) and vandal-resistant (IK10)FeaturesTypePTZ Resolution4MP Lens TypeVariable Lens Lens2.8 - 12mm RangeDarkFighter PoE/PoE+PoE FPS25