This item isn't a remote key and it is just a remote key shell case replacement to protect your immobilizer.

Features:
3-Buttons
Best replacement for a key with broken buttons or worn key case.
Perfect replacement for the original motors and make your key look like the new one.
There is NO interior (remote/electronics/transponder chip)unit inside.
Just cut the key blade， take the internal electronic(include immobilizer/transponder chip) from original remote and place them to our key shell， then you are ready!

Specifications:
Competible with: for Lexus Es Rx Lx Gs
Product Size: 7.0 * 4 * 1.5cm / 2.8 * 1.5 * 0.6in
Product Weight: Approx. 39g / 1.39oz
Package Size: 7.0 * 4 * 1.5cm / 2.8 * 1.5 * 0.6in
Package Weight: Approx. 40g / 1.4oz

Note: This item isn't a remote key and it is just a remote key shell case replacement. Not electronic internals.

Package list:
1 * Key Shell Case