Navitech QX-353. Form factor: Handheld/Fixed. Display diagonal: 88.9 mm (3.5 "), Display: LCD, Placement supported: Horizontal. Storage media type: Flash, Internal storage capacity: 2 GB, Compatible memory cards: MMC, SD. Processor clock speed: 533 MHz, Built-in processor: SiRFatlasV. Battery technology: Lithium Polymer (LiPo), Power source type: AC, Battery capacity: 850 mAh