Leadleds 26" Wireless LED Sign Message Board, P5 Scrolling LED Sign WiFi Connection Fast Programmable, Multi-Language Text, Images, Time Supported (Blue) Scrolling Message Sign! Programmable message by Iphone, Android Phone, Ipad and Tablet, Free App, download from App Store and Google Play, Friendly and easy to use The suitable size! 26 x 4-inch, 16W x 128L dots, support up to 200 programs, you can store 2M bytes, support multi-language text, time and gif/jpg/bmp/png formats no grayscale images, not support countdown time,temperature,humidity and full color images display 5V working voltage! You can powered by AC adapter and usb cable(6.6ft). When you use in the car, need to use a 3A usb car charger connect usb cable to powered 47 kinds display actions include static, continuous move, laser, cover, scroll, random etc, maximize sales and customer impact; Wi-fi connection programmable message by Iphone and Android APP ( IOS 7.0 and Android 4.0 above ); also programmable message by pc software through usb cable, pc software only support Windows system, can't support Mac Os. Portable size! Plus with metal chain, wide use in Business, Office, Shop, Store, Car, Window, Desk, Shelf and so on