Category 2:1 systems are designed to upgrade Category 2 factory immobilisers (HISS etc) to full Category 1 status.

These products require professional installation. Please contact us prior to purchase to confirm that we cover your area.
Thatcham Cat 2>1 Insurance Approved Alarm Upgrades
Datatool S4 C221 Green Alarm Upgrade
Price includes mobile installation and VAT
£279.00
(Ex £232.50)
Meta Defcom T (3.1B)
Price includes mobile installation and VAT
£249.00
(Ex £207.50)