If you want to spy your colleagues or anybody whom you doubt then this camera will solve your problem. The name of the camera is AME-105 spy camera an ideal kit to record the videos and you can fit it in your ID card. It has come out with a small 1.3-Megapixel video camera that has the facility to capture the video on AVI H263 at 352 x 288/15 fps and 4GB of internal memory.
Moreover, you can transfer recorded video to your PC or laptop via USB. After you record the video, you can connect this AME-105 to your computer via USB and you can share this video with your friends.