7518 Compact Thatcham Category 2-1 Upgrade Alarm with aXess four digit PIN code remote key A revolutionary four digit PIN code remote control alarm and immobiliser system. Requires a personal PIN code to be entered into the remote control before it will disarm the alarm system. Operates central door locking, has interior protection, battery back-up siren and is insurance approved to Thatcham Category 2-1 status. Protection to doors, boot and bonnet Ultrasonic sensors Input for additional / optional sensors Panic facility - personal attack warning Universal central door locking output Vehicle immobilisation Visual arm and disarm indication Battery back-up siren Insurance approved 4 digit aXess PIN-code key Upgrades Thatcham Cat 2 Immobiliser to Thatcham Cat 1 Alarm / Immobiliser