With nine LED lights, 4 message coaster with red, blue, green or yellow light
AAA x 3 pieces batteries or AC adapter power sources
Programmable messages are available
Size: 122 mm x 122mm x35mm, 165 grams (with battery, without adapter)
Best promotional item for pubs, important events, etc.
Can print customized logo on top side
First message can be fixed and not erasable for promotional purpose