This is a high-quality remote case unit. This is to replace your worn or broken case. The keyblade needs to be cut at qualified locksmith. All you need to do is to move the internal components from your old remote to our new case. There is NO interior (remote / electronics / transponder chips / battery) unit inside. This item isn't a remote key and it is just a remote key shell case replacement to protect your immobilizer. Specifications: Product size: 9.3 * 3.7 * 1.5cm / 3.7 * 1.5 * 0.6in Product weight: . 22g / 0.8oz Material: Plastic Package List: 1 x Key Shell Case Note:Light 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.