Product size: 80x30x7mm
Weight: 25g(absence battery)
LED Color available: Red, yellow, blue, green, white, pink, or three colors mixed

Display:
Display Area: 70x17mm
Matrix: 7x21
Number of LED: 147
Power supply: 1pc CR2032 button battery or 2pcs CR2016 batteries
Battery life: For factory standard quality can use about 20 hours
Feature: -Can store 6 messages(1 can store 512 characters, 2-6 can store 256 characters)
-With 9 levels of speed to display, and 9 levels of luminance for adjust by user
Data communication: 3 buttons operated by hand, no wires and software needed

Packing
QTY: 50PCS
MEAS: 25. 5X24X10. 5CM
N. W: 4KG
G. W: 5KG