In fact, this is an LED poster screen, which is a finished product after leaving the factory. It only takes two steps to install it. The first step is alignment, the second step is locking, and it can be used when it is powered on. It is no longer necessary for the store environment to be eye-catching, and the dynamic video phone can be uploaded. The indoor and outdoor door background wall can use # idy LED display screen # door signboard # shop window design # advertising light box.