Style: ScientificApplicable Battery Type: BatteryMax. Digits: 12Material: PlasticPower Source: BatteryUsage: office calculateUnit Type: pieceProduct Information: Colour: Black Size:15*9cm100% Brand new + 100% quality guaranteed dedicate design，perfect gifts Multi functional Statistical Scientific calculator with protective slide coverBattery powered ，more convenient to replace Package Include:1 pc Student Office Scientific CalculatorNOTE: Batteries is not included