inputs.text: good low end alarm - alarm fairly inexpensive clearly labeled directions however unless comfortable multimeter wiring diagram vehicle would advise professional install said understand read multimeter wire relay pretty straight forwardthis not exactly feature rich model real reason alarm makes loud noise someone trips sensor sound proximity vibration door etc plane simply also good adding keyless entry vehicle not initially equipped actuator required not included available 10 elsewhere amazon alarm fairly long range happen older viper alarm installed direct replacehement old unit unplug old unit plug new one not top line super fancy precisely meant well good price