... Scrolling Message,Indoor LED Display,Outdoor LED Display, LED Name Card, LED Badge, LED Message Badge, LED Name Tag, LED ... , LED Display Manufacturer, LED Sign Manufacturer, Countdown Clock ManufacturerLED display card operation instructions: 1) Presses "K1" to turn on the LED ... Scrolling Message,Indoor LED Display,Outdoor LED Display, LED Name Card, LED Badge, LED Message Badge, LED Name Tag, LED ...