(Direct quotes from the manufacturer follow.)
"Fun New Spy Device From China"
"Chinavasion brings you this fully functional Novelty Tire clock with a hidden surprise. Cleverly hidden inside is a small wireless CMOS camera which can be switch on or off at a touch of the supplied remote Just imagine the fun that can be had
Chinavasion presents yet another incredible gadget; a 2.4GHz hidden spy camera in a nifty looking racing tyre and 2.4GHz Receiver /MP4 player in one. This is definitely a product that can be used for just about any purpose you can think of, without anyone ever being the wiser. Better yet, with the included remote, you can switch the spy camera on and off without anyone even seeing you turn it on. A great gadget that is perfect for anyone." (more)