1.power 12V,car cigar lighter   

2.Pixel size 3mm,pixel pitch 4mm  

3.total 9pcs messages, each message can store max 250 characters           

4.remote control to imput information,7*50 dots            

5.scrolling message, speed adjustable                  

6.frame size: 43*10*7cm                

7.black ABS plastic frame

8.DIY easy installation,no screws or tools required

9.Adjustable viewing angle(360 degree)

10.Self adhesive feet for mounting on windows and other smooth surfaces

11.Optional AC adaptor available,sold separately