Samsung ED-GPS10, 128 MB, 2.18 oz (61.7 g), 2.09" (53 mm), 1.25" (31.8 mm), 2.6" (66 mm), Alkaline Samsung ED-GPS10. Internal memory: 128 MB. Weight: 2.18 oz (61.7 g), Width: 2.09" (53 mm), Depth: 1.25" (31.8 mm). Battery technology: Alkaline. Battery type: AAA