It has a SD memory card slot with a built in hidden camera.It is simple to operate and suitable for all evidence gathering needs (such arson-site video evidence,loss prevention,babysitting surveillance). When the camera works,there is no noice,so no one knows it is shooting videos except the user.It has high definition which is up to 720P, you can get vivid videos without difficulty.With the support of a 16GB memory card and a high capacity battery, the camera is able to work about 8
