Taxi cab roof light sign with a stent fixed to the car. We provide the stent accessory to make the installation more convenient. The bottom of the product is fixed with hook, witch makes the light more firmly on the car roof. It can product the roof and the paint of car. There’s about 3 meters wire to connect the cigarette lighter in the car. This taxi cab roof light’s service life is about 3-4 years. You can send us the sample we can customize for you. Our factory has the professional technology.