ACM-3311 IP IR 3-inch Dome Camera: Main Features 1/3" Sony SuperHAD CCD Integrated 4.3 mm F2.0 fixed lens 0 Lux at F2.0(IR LED ON) Backlight Compensation, Auto White Balance Supported able MPEG-4 / MJPEG compression CIF up to Full D1 resolution at 30/25 FPS Multi-stream with variable frame rate in the same compression Two-way audio supported Hardware motion detection Hybrid analog and ethernet video output with 420 TV lines Power Over Ethernet (IEEE 802.3af) supported Surface, and wall mount supported Product Introduction ACM-3310incorporates 12 units of LED to cover the object distance up to 10 meters. It's the best and also the only choice of IP IR dome camera in the world. It has built-in fixed lens with focal length 4.3 mm and also built-in IR LED. ACM-3310 series targets various vertical markets - like Retail, Banking and Education without giving in the video quality that CHANGZHAO has insisted in the first day it established. The All-in One function will highly fit your demanding performance/price ratio.