Looks like an average AC adapter Built-in hidden camera and DVR Powered by AC outlet - no batteries needed High-quality 720x480 resolution @ 30fps Takes up to a 16GB SD card 1 hr per GB recording Image Sensor 14" CMOS camera lens Resolution 720 x 480 NTSC Focal Lens 4.3 mm Angle of View 78 degrees Min LUX 0.5 lux @ F2.0 Recording Resolution 720 x 480 @ 30 fps Video Format MPEG 4 AVI Recording Mode Motion detection Memory Type SD card Max SD Card Size 16GB PC Interface Mini USB 2.0 Size 2.51" x 2.04" x 1.96" Weight 3.8 oz