Product details: Place of origin: guangdong, china (mainland) Brand name: oem Model number: mini Color: white Function: graphics Usage: indoor Payment & shipping terms: Minimum order quantity: 100 pcs Packaging details: white box 19*10.5*4.3mm, or other package as requested. Delivery time: 5-10 working days after order confirmed Payment terms: t/t, l/c Supply ability: 50000 pieces per month Detailed product description: Led car display Easy use, super bright 9 message, 3 speed Delicate and energy saving Long span time, 1 year warranty Functions: Can save 9 message, each message can show max 250 characters. 3 speeds only Creating a text message Step 1: Connect the electric power supply 12v. On/off button to turn on or turn off the display. Step 2: Press the edit button. This puts the display into edit mode. The screen will display. P:1 Note: the number after í¦pí¦ indicates the memory location (in this case, location 1) Total 9 memory locations (p:1í¡p:9). To change a memory location, press button 1 to 9. Press ent, it will show blinking rectangle, then inputs information by the characters in the remote control surface í¦aí¡z, aí¡z, ! cap to change the big and small letter. Press n, back to the edit mode, press y, it will clear the messages and back to the default setting. Press ent to make your confirmation. Step 3: Press the spd button. The display will show the scrolling speed for the message: Sp:1 Note: sp indicates the speed at which your message will scroll. Sp1: fast Sp2: moderate Sp3: slow Three speeds. To change the speed, press number 1 to 3.Press ent to make your confirmation. Industrial packing box