eCaddy Lite is ideal for mounting most items with standard belt clips, including cell phones, satellite radios, MP3 players, CBs and lighter GPS units; measures 1 3/8 x 2 7/8 x 5/16
eCaddy Deluxe is ideal for mounting larger GPS units and XM satellite; measures 1 13/16 x 1 1/2 x 5/16