LED Countdown Display. Small volume, light weight, and ... and easy to install2) The module of digital display is water-protected, without glass panel, so ... Dimensions: 860 x 670 x 80mm7) Weight of the display: 23kg8) Requirement of lamp order: green - yellow ... display is a kind of precision electronic product, so it should be groundingfinely, to avoid interference from lightning LED Countdown Display ...