Vintage 1980's Royce Union Keyless Auto Alarm #A 2400-4 - New Old Stock still in the box - Box has been opened but item is new - Box does show shelf wear - Ships FREE in the U.S. 

• Do-It-Yourself
• Very Easy - Very Quick Installation
• Instructions Enclosed
• Alarm is armed when ignition is turned off
• Built-in automatic turn-off and reset timer