Led Pendant(wt409)

1)Display Area: 60 x 22mm
2)matrix: 5 x 13
3)LED Qty: 65pcs.
4)Feature: 1 message store 120 characters,
5)Control: 9 levels display speed and 9 levels luminance control.
6)Data communication: easily input by hand
7)Power: 1 x Cr2032 or 2 x Cr2016 battery.
8)Led Color: red, blue, green, yellow, white, pink, three colors mixed
9)Operation time: about 20 hours