ETA Luggage Locator

Having problems identifying your luggage from the luggage carousel at airports? A US-based company called ETA has come up with a device that helps you to locate your luggage by beeping and flashing when you send an RF signal from the remote transmitter to the receiver that you attach to your luggage. But the big question is whether you can get such a transmitting device past security officials at the airport. Plus, the beeps and flashes can be pretty annoying and confusing if other travellers also use the same device to locate their luggage.