Button: 3 Buttons Key Blade: No Transponder Chip: No Battery: No Compatibility: Fit for Opel Astra Omega Signum ZafIra Vectra and other models as same as our picture. Features: - This item isn't a remote, it is just a remote key shell case replacement. - There is no electronic internals inside. - Please make sure your key is the same as the pictures show. - Easy and simple replacement: Just place the remote control and transponder chip in this new-housing. - Good-quality replacement car key shell: Firm material, good hand feeling, anti-broken, good signal. Package Weight: 25.0 G / 0.88 Ounces Package Dimensions (L*W*H): 43*38*18 MM / 1.69*1.50*0.71 Inches Retail Packaging: No, No Packing Package Include: 1 x Key Shell