Wireless spy cameras work by sending a video and audio signal between the camera and a receiver. The receiver can then be connected to a TV or video recording device. although the range is limited by legal restrictions they can still be a verey effective covert camera surveillance system. All the camera systems we sell come complete with receiver that can be plugged into a TV or recorder through the AV sockets or through a SCART Socket. If you would rather use your wireless camera with a PC or laptop you will require a USB recording device such as our USB Recorder click here for details this item this can be purchased at £20.00 instead of £45.00 when purchased at the same time as a wireless camera. To purchase at the reduced rate please enter the code USBVR in the coupon box at the checkout.