1. Color: single color ( red/ green/ yellow) or multi-color optional.
2. Use: to display message outdoor on the taxi, can display many country language/ picture/ time.
3. Communication: RS232/ bluetooth.
4. Energy consumption: 18W.
5. Power supply input: 12V dc.
1. Specification and materials: 7 x 40 dot-matrix/ lamp. 2. Frame dimension: 157mm (H) x 450mm (W) x 126mm (D). 3. Pixel pitch: 7.62mm. 4. Pixel size: 5mm.