LED Scrolling Message Buckle

Specifications: 1) Fully programmable: no cords, no wires, no software needed 2) LED: 21 x 7 dots matrix 3) Memory: up to 6 messages (total 896 characters) a) 1st message up to 256 characters b) 2nd~6th message-up to 128 characters 4) Selectable characters: 58 Programmed characters 5) Scrolling speeds: 9 levels 6) Brightness levels: 9 levels 7) Power supply: 2pcs CR2032 button battery 8) Red/blue/green/white/yellow/pink LED lights available 9) Dimensions: 134 (L) x 47 (W) x 5 (T) mm Functions: 1) Messages automatically stored when switched off 2) 3 function buttons: Start/Stop, Up, Down