"Dimensions: 1.02 in x 1.02 in x 0.02 in
Weight: 0.53 oz
** Caution: this device transmits radio frequencies. Please check your local regulations before purchasing. DealExtreme is not responsible for customs confiscations due to legal issues and consequences due to illegal pocession or usage."
Probably used by aliens for radio transmissions. No wonder NASA can't catch any signals.