HIKVISON DS-2CD2147G2-SU (C) 4MP ColorVu Fixed Dome Network Camera~ High quality imaging with 4 MP resolution ~ Efficient H. 265+ compression technology ~ Clear imaging against strong back light due to 130 dB WDR technology ~ 24 7 colorful imaging ~ Focus on human and vehicle targets classification based on deep learning ~ SU: Built in microphone for real time audio security, audio and alarm interface available ~ Water and dust resistant (IP67) and vandal resistant (IK10)