This hand held unit detects transponders that are concealed in keys for modern automotive security ignition systems. It takes only a second to confirm the presence of a transponder in a key and indicate the transponder type.

• Detects the presence of a Transponder in the head of the key
• Check keys before duplicating to avoid the duplicating keys that will not work
• Identifies five different transponder brands (Megamos, Motorola, Phillips, Temic, Texas Instruments)
• Transponder detector TD3A II is compact, easy to carry, and is powered by a 9-volt battery (included)