Pitch: 7.62mm 

Oversize: 655x120x40mm (25.6"x4.7"x1.6")
Dot Diameter: Round, 5mm 
Character height: 1.5" or 2.1" 
Character Color: RED+GREEN 2 grays 11 color combination Characters. No Blue Color !!!. 
Viewing angle(degrees) H:85 V:85 
Lines: 1 
Brightness: 858nts 
LED Lifetime rating: 50,000 hours 
Power source: AC110-250V 50-60Hz, DC 5V 
Message Input: Remote Control or PC message entry. 
Max. Viewing distance: 100 ft. 
Message Capacity: 50 different messages can be stored and displayed. 
Outline border: Aluminum alloy enclosure. 
Sign memory: 512k bytes. 
Memory Retention: 10 years. 
Message presentation modes: 26 
Real-Time Clock:Date and time, 12 or 24 hour format, maintains accurate time without power for up to 30 days typical. 
Operation Temperature: 32° to 158 °F, (0° to 70 °C) 
Humidty Range: 0% to 95% non-condensing. 
Power cord length: 1500mm. 
Mounting: Hardware to accomodate ceiling or wall mounting . 
Optional communication ways: USB(Default) 
NOTE:
1: Not provide the software&manual CD, Please download from our web site.
2:Software only supports Windows system. And we provided the led sign protocol, support develop your own applications.