TomTom GO 730. Display resolution: 480 x 272 pixels, Display: LCD, Display size (HxV): 109.2 mm (4.3 "). Processor clock speed: 400 MHz. Weight: 220 g, Width: 118 mm, Depth: 83 mm. Battery technology: Lithium Polymer (LiPo), Battery life (max): 5 h. GPS receiver: SiRF StarIII, Internal memory: 64 MB, Storage capacity: 4096 MB