Our SleuthGear Covert Air Purifier now supports a 32GB SD card with our updated HVR board. This model, the SC9109, records high quality black/white video. For the color version of this model, see Item SC9109C. Our SleuthGear Hidden Video Recorder Systems is so popular we designed an all new version packed with extra features. Now with higher resolution, better motion detection, and more internal memory. It performs like a commercial DVR. Check out these high-tech features:* D1 high resolution @ 720X480 resolution* 30 frames per second (adjustable 1-30)* 150 user selectable motion grids* Multiple schedule recording options allow you just record the action* 32GB SD card capacity allows for up to 3 days of recording space* Embedded video time & date stamp* High quality Sony ExView CCD with low LUX and day and night feature. FREE UPGRADE TO COLOR MODEL!