Indoor Camera 2.4M Image Sensor : 1/2.9" SONY Sensor Type : CMOS Effective Pixels: 2.4MP ,1920*1080P Focal Length: 3.6mmIR Range: 20 meters S/N Ratio: ≥50dB Usable Illumination : 0.001Lux Electronic Shutter: 1/25s~1/50,000s , 1/30s~1/60,000s DWDR 3D NR Sense-up OSD "On Screen Display" Noise Reduction: DNR IP Rating: Metal "Vandal Proof" Power: DC12V(±10%) / 500mA AHD / Analog – OSDIndoor Camera 1.3MImage Sensor: 1/3" SONY Sensor Type: CMOS Effective Pixels: 1.3MP ,1280*960 Focal Length: 3.6mm IR Range: 20 meters Minimum Illumination: 0.001 Lux/F1.2 S/N Ratio: ≥50dB DWDR 3D NR Sense-up OSD "On Screen Display" Noise Reduction: DNR IP Rating: Metal "Vandal Proof" Power: DC12V(±10%) / 500MaAHD DVR Input: AHD: 4 Channels x 1080P Output: 1xVGA, 1xCVBS, 1xHDMI Audio Input / Output: RCA 4CH In/ 1CH Out 2 SATA Hard Disk Interface (2.5"/3.5" SATA, Up to 8TB) 1xRS485, 2 × USB, 1 × IR Controller ,1xRJ45(10M/100M adaptive Ethernet interface)