... , Face Detection(3) High sensitivity in the dark environment, 0lux / F1.6, 0 lux(IR ON) (4) Varifocal len 4-9mm ... /2.8-12mm/ 9-22mm/3.6-16mm/5-50mm (F1.6)ATRYesNoise Reduction3D-NRDay & NightYesPrivacy Mask8marksAF DetectorYesMotion DetectionYesWhite Pixel detection ...