1. Reverse operation: the 1st time plug activate, 2nd time plug deactivate, 3rd time activate, won't effect factory warranty; 2. OBD2 Plug & Play no technical knowledge required; no Vediamo / Monaco nor coding knowledge needed, all procedures are controllable; 3. Protect your business with controllable for franchise stores with our recharged token features; 4. Unichip OBD2 modules are rechargeable with token protection for all the partners, no need ship back; 5. 100% customers satisfaction warranty with our professionalism and our dealer level database, we deliver certainty for all of our customers