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Product name: taxi led display(multi-languages,2-line) ModelNo.: SL-704 Specification: Cabinet size 810 × 125 × 37mm Height of Character:121.92mm Display area:770mm x 96mm Display color:Red or Yellow Brightness: High intensity for outdoor use(more than 1200mcd/m2) Language:multi-languages PH:6mm Pixel:16*128pixel Number of LED: 2048 Optional communication ways: GPRS or GSM or RS232 The Main Function: 1. 512 messages.(Every message has 512 characters or 256 Chinese) 2. Special memory,stored you edited message,even the power cut down suddenly, it will remain 20 years. 3. Adjustable Speed and Effect. 4. Auto-dimming depend on day and night 5. Time,Date, Auto-updating 6.Voltage:DC200V, Cigarttelightplug (12V) 7. Operating electricity:5W 15W 8.Frame: ABS