Specification:Frequency: 433MhzColor: BlackButton: 2 ButtonBlade: NOMaterial: Plastic and metalBattery electronic: YesQuantity: 1 pcs Fit for Vauxhall Opel 2 button keys in last photo:Vauxhall Astra 1998-2005 (without alarm) Package Include:1x Remote Key Note: 1.Remote key case with Internal (buttons / battery) are included2.The key has a circuit board in it and needs the professional programming settings and activation by the locksmith before using.3.Please ensure your original key has the same appearance and frequency