Programmable External Digital Signage Touchscreen Multi - Language Function

55 inch HD Totem AD Display LED Outdoor Digital Signage Interactive l Signal Interface: 1). standard features: USB 2.0 (Host), SD / CF card port, capacity of memory card support 32MB to 32GB 2). it is optional for HDMI, AV , VGA port l Frame Features: 1). Adopts high transparent tempered glass as protection layer to prevent LCD panel being broken and distorted. All-weather waterproof,Sunlight Readable, IP65, outdoor signage. 2). Color for metal outer frame is available with