... 7"-52" AV in/out LCD Advertising player Poly Technology is a professional manufacture of LCD advertising player in Ningbo, China. We ... LCD Advertising player images 1, panel panel brands: AUO, INNOLUX, CHIMEI, Hannstar, SAMUNG, LG, etc..., panel grade: A grade, full nw and factory ... memory cards from machinesafety lock: avoid taking away the machine(lock is option)VESA hole: 75x35mm, can freely adjust ...