Features: Powered by connecting to OBD2 Port., Plug & Play ;Powered by OBDII Port ;Work on almost all OBDII Compliant Vehicles ;Smo~g Check ;Freeze Frame ;Live Data ;Free Update ; 3 Years Warranty, 99% OBDII-COMPLIANT: Post 1996 US-based, post 2006 for EU-based, post 2009 for Asian-based, 12V., 2.2 inches