Specifications:

led programmable sign display board 
1. multi-language 
2. high brightness 
3. working temp: -40-80deg 
4. warranty: 3 years 

5.working voltage: AC110-220V

6.max power: <250W/sqm

7.communication mode: rs232, rs485, rs422, ethernet, gsm, gprs, sd card

Features:

Size:100cm(length)*12cm(width)*3.5cm(thickness)
Display color:red(can chose yellow,white,green,blue,seven color)
Communication mode:U-disk,serial,Wifi,etc
Supply voltage:12-24V
Standard configuration:Screen set and RS232 or RS485 serial
Can seamlessly with our bus announcer,idear for buses.

Brightness sel-adjustment according to the sunshine

Application ( indoor ):

Applied in the hotel , store , buses,company, school ,public place for office for Display the related information