Garmin nuvi 3790LMT. Form factor: Handheld. Map storage: Internal storage, Map view options: 3D. Display diagonal: 109.2 mm (4.3 "), Display resolution: 800 x 480 pixels, Display: LCD. Storage media type: Flash, SSD, Compatible memory cards: microSD. Weight: 113 g, Width: 122 mm, Depth: 890 mm