This Micro-designed 3" PTZ Mini Dome Camera shows the easiest installation. adjustment and maintenance that you have ever seen. It is a fantastic and practical camera for outdoor. In addition. DS-2DE3404W-DE(T5) support 4 × optical zoom technology. PoE & 12 VDC power supply.Embedded with 1/2.8" progressive scan CMOS chip makes 120 dB WDR and 4 MP real-time resolution possible. With the pan/tilt and 4 × optical zoom Day/Night lens. the camera offers more details in the outdoor environments. Hikvision DS-2DE3404W-DE(T5) Mini PTZ Dome Cameras also features a wide range of functions. including intrusion detection. line crossing detection. motion detection and audio exception. benefitting users with great improvement on security efficiency. more importantly. with keyevents/objects being recorded for further forensic needs.