LED Car Programmable Showcase Message Advertising Screen Display Sign Light Bar

Strobe Lights & Sirens. LED Car Programmable Showcase Message Advertising Screen Display Lighting Sign. Cabinet Size: W55 x H17CM(21 x 6Inch). Theoretic LED Working Life: >100000 hours. Signal cable interface is cigarette lighter power supply. Display speed is adjustable. Letter font and letter size are adjustable. Multiaction for displaying, like flashing, static, moving to left, …