Leadleds Remote Led Display Scrolling Multicolored Message Board for Business, 30 by 6 in led badge 7V 250mAh Li-ion

7V 250mAh Li-ion

User-friendly system and software for Windows pc installed

please provide a protective shield

50 HzBest viewing distance:  3-50 metersLife Span: 100

Leadleds Remote Led Display Scrolling Multicolored Message Board for Business, 30 by 6 in led badge 7V 250mAh Li-ionLeadleds specializing in the production of LED Sign, include: Remote LED Sign, Wifi LED Sign, Bluetooth Led Sign, USB LED Sign, Use for indoor and outdoor Happy Leadleds LED Signs, Great LED Scrolling Message Board for Your Business! This Money Making Machine Constantly Displays Your Own Messages, Catches the Customers' Attention, Brings Them Into Your Store Among Others! Imagine Your Business Ad Messages on this Message Board, Display Your Own