Garmin Edge 305, Europe, Cadence & Heart Rate. Display resolution: 128 x 160 pixels, Display: LCD, Display size (HxV): 48.3 mm (1.9 "). Weight: 88 g, Width: 44 mm, Depth: 23 mm. Battery technology: Lithium-Ion (Li-Ion), Battery life (max): 12 h, Battery capacity: 800 mAh. Bundled software: Garmin Training Center CD. GPS receiver: SiRFStarIII, Interface: USB