30x 60x Two Lens Jewellery Loupe Magnifier with Currency Detecting Function Black Folding Dimensions: 6.3 x 4.1 x 2.2cm(L x W x H) Unfolding Dimensions: 10 x 4.1 x 2.2cm(L x W x H) 30&60x Eye Loupe,both dual plastic lenses Power: 3 x LR1130 Batteries(include) Rectangle fold-away plastic case Great for viewing banknotes, jewelers, watches, gems, beads, may, coins and stamps