1.Car alarm 2.LED indicator 3.Auto arm 4.Four buttons transmitter 5.Negative door lock trigger Car alarm system, one way , phonetic type Detailed introduction:1) Adopts original microchip components imported from the USA2) Effective remote distance: 100m3) Intelligent anti-theft design4) Automatic door locking5) Bright LED emergency signal light6) Slim and watertight construction7) Low power ...