Smart Full Color Rear Window Car Sign Display your Video, picture, the new way makes you shine.

• Full color message, vivid display highly attractive
• Wireless control message, by phone WiFi to program and control message
• Strong ability able display multiple language, video, picture, number, symbol, animation, sync time, price and etc

Frame Size: 542mmX158mmX55mm (21.3''X6.2"X2.2")
Pixel pitch: 4mm Density 
Color: RGB full color video display  
Lifespan: 100,000 hours(~ 10yrs), Low energy consumption. 
Waterproof: No 
Operation: by your phone WiFi to program and send message
Made for car usage line message Adjustable speed. 
Tons of effects and effects integrated on the sign. 

One set includes: 
1) 1x 21" led car sign with 9.8Ft length power cable
2) 4x suction cups
3) 1x Manual & software