how to choose taxi top led display，

1.need a good cooling system very important,some type also uesd indoor type module ，Acrylic board is stuck on the surface, which is not conducive to heat dissipation and long-term use of electronic products. The early use of this solution will not cause any problems, and the related problems will mainly occur in the later period.

2.need easy to maintain，The display is used for a long time on the roof of the car. It is necessary to check whether the wires and screws of each part are loose at intervals of 3 months.

3.need good waterpoof system.

4.need a fashion shape can help you attract more custom.

5.need a high quality module and power system and control system，this can let display used long time than other .