1):Silicone calculator 2):Foldable 3):Real solar battery 4):Novelty design 5):Unit size:13 x 8 x 0.8 cm 8 digital silicon calculatorUnit size: 13 x 8 x 0.8 cmPower: 1pc AG10 Button CellPacking:200pcs/ctnMeas: 49.3 x 35.5 x 11cmG.W: 15.1kgs N.W: 10.1kgs 8 Digital Silicon Calculator