Maptrax GPS-3.5 monitor GPS Mobile Unit with 3.5" EZ Touch Screen The GPS 352 is a portable mobile GPS navigation unit that features a 3.5" EZ Touch Screen with voice prompts, WAAS Mapping Accuracy and super fast 400 MHz map processing. With 2 million Point of Interests (POI) and maps of the USA, Canada, Alaska and Hawaii already preloaded, this unit is as easy as plug n' go with no subscriptions or monthly fees to operate. GPS Guided Navigation Simple Plug 'N Go (Ready to use right out of the box) No Subscription or Monthly Fees Required Large 3.5 inch Daylight Viewable Display 240 x 320 Display Resolution EZ Touch Screen NAVTEQ Mapping Data 400 MHz Processor Speed WAAS (Wide Area Augmentation System) Mapping Accuracy SiRF III Receiver Multi-Screen Viewing (North Up, Map Up, 3D View) Turn-by-Turn Voice Instructions Preloaded Maps of the United States, Canada, Alaska and Hawaii 2 Million POI (Points of Interest) Portable with Rechargeable Battery Accessories include: Windshield mount, car charger, DC Adapter, - Lithium Ion Battery and Dash Mount Pad. External Antenna (Optional)