The Arrow 5.1 offers door, boot and bonnet protection, engine immobilisation, remote controlled central locking or total closure (subject to vehicle) and is fully compatible with most of the Clifford accessories including Intellistart and Proximity Sensors. Central Locking output with Additional On-board Door Lock Relays (451M Additonal Required) (where vehicle has central locking as standard) 2 Channel Security System with Optional Keyless Entry ACG2 Anti-Code Grabbing Technology Built-In Parking Light Flasher Fault-Proff Starter Interrupt Dual Stage Vibration/Impact Sensor 6-Tone Insignia2 Siren Bright Blue LED Status Indicator PlainView2 Coded Valet/Override Switch CliffNet? DataPort 1 Auxiliary Channel Includes Two 3-Button Remote Controls