SD Card Self Recording Covert Spy Camera (Camera Hidden in Functional Air Purifier) 100% set-up free. Just plug it in and let it record upon motion detection. Time and date set according to your shipping address. (((Audio is not included due to Federal Law: 18 U.S. Code  2512.))) Camera: Color, 420 TV line SONY 1/3" CCD, Day & night, infrared sensitive. DVR: 704 X 480 high res. Settings can be customized by user using a remote controller just like a VCR. Memory: Removable 8GB SD card with a reader. Compatible up to 32GB (standard speed class 4~10). Play back on a PC using a media player or a TV (RCA connection required). We recommend: VLC Media Player.