Features: Lock and unlock your car remotely Steering flashing light LED indicator Remote location of the car Remote trunk release Ascending electric window Universal for any car Suggestion: It is better for the installation to be operated by the technician in car shops or in formal car repair shops, rather than by yourself. Notes: This product does not have the alarm function Dear buyers, due to the customs limitation, the kit keys cannot contain any battery. Prepare the batteries yourself. Battery Model: CR2016 Each key needs 2 batteries of 2, so a complete kit needs 4 batteries of 1, 2 and 1, 2 and 3. Note: The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.