Crimestopper SP-101 Deluxe 1-Way Alarm and Keyless Entry System Crimestopper 1-way Car Alarm and Keyless Entry Security System 500 feet of range, up to 1500 feet in optimum conditions Remote key-less entry with programmable double unlock pulse Emergency override/disarm feature allows to open door and override alarm if transmitter is lost Two 4-button remote transmitters included Used up to the range of 1500 feet Audible and visual arm/disarm with intrusion alert Trunk release plus 1 auxiliary output Separate right and left side parking light output for European vehicles Remote keyless entry with programmable double unlock pulse