1. Is there a quantity minimum?
About the quantity,it is up to you,you can also try one sample first,
so that they will know better of our product quality and service.
2.How can I control this taxi sign?
We have 4 type controller methods for this product,such as the
WIFI/USB,3G/USB,4G/USB,4G/GPS/USB.We have the guide
vido forevery controller way.
3.How to install it at the car?
We will support you the installation guide videos.
10.Trade Terms