Brand: EasyN Operation system: Embedded Linux OS Microcomputer processor: 32Bit RSIC Embedded Processor Image sensor: 300KP CMOS Format: Motion-JPEG-N Resolution: VGA (640 x 480) / QVGA (320 x 240) Frame rate: 25fps Image adjustment: Adjustable brightness contrast chroma saturation / auto WB/BLC Night vision: 10-LED 10m night vision range Audio: Built-in microphone supports AGC Rotation control: Built-in moto supports 15 preset positions Rotation angle: Horizontal: 270 degree / vertical: 90 degree Rotation speed: 11 level pan/tilt rotation speed optional speed range 15-70