Apack of five genuine Panasonic CR2450 3V lithium coin cell batteries in child-resistant packaging.Product DetailsType: CR2450 lithium coin cell batteryVoltage: 3.0 VoltsQuantity: 5 piecesBrand: PanasonicOrigin: Made in IndonesiaUsesCar key fobsFitness appliancesCalculatorsMedical devicesSmall electronic toys