Instruction :

1. This type with 2holes in one body.

2. Works using airflow from moving car, van or motorcycle .

3. Activates at speeds above 60km/h onward.

Install

Mount each self-adhesive unit near front grill in a position that is fully exposed to airflow with the wide, open end facing forward  .

Note 

**Sell it  1 package within 2 units.