Hikvision 4MP Cube IP PoE CCTV Camera with 4mm Fixed Lens, 10m IR Range, WDR, DarkFighter/AcuSense Technology, Built-In Two-Way Audio, H.265+ Compression Technology - DS-2CD2446G2-I (4mm) 

Key Feature:

• High quality imaging with 4 MP resolution

• Excellent low-light performance with powered by DarkFighter technology

• Clear imaging against strong backlight due to 120 dB WDR technology

• Efficient H.265+ compression technology

• Focus on human and vehicle classification based on deep learning

• Provide real-time security via built-in two-way audio

• Detect human body through passive infrared which is sensitive to body temperature (PIR)