GVN 53, SD, 185.9g
Garmin GVN 53, SD, 6.56 oz (186 g), 4.72" (120 mm), 4.61" (117 mm), 1.18" (30 mm)
Garmin GVN 53. Compatible memory cards: SD. Weight: 6.56 oz (186 g), Width: 4.72" (120 mm), Depth: 4.61" (117 mm)