Features:*Audible alarm* High-quality high-quality wiring harness, to ensure smooth operation of the current,Remote operationLong press the lock button for 5 seconds, start the vehicle remote control, but also remote flameout Introduction to Startup KeysMaterial: Use conductive adhesiveMaximum outside diameter: 40mmButton Thickness:Internal lighting: blue, red and yellow 4 conductive contacts, do not use the current old mechanical key switch, the use of the effective number of 30 million times, without replacement