Features:1. and high quality2.Durable ,long lifetime guaranteed3.,easy to use4.Perfect aftermarket replacementDescription:Button Quantity:4(Lock,Open,Trunk,Alarm)Frequency:433 MHZTransponder Chip:NoElectronics/Battery:NoChip ID:Fit For Your Old PCF7935AA ID44 ChipFitment:for 325 330 318 525 530 540 E38 E39 E46 M5 X3 X5 E65Note:Pls check your vehicle model before you purchase. The chip and battery are not included.Material:plasticcolour:Black + SilverPackage Contents:1 x Remote KeyOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.