18.5/21.5/27 Inch Wall Advertising Machine Electronic Photo Frame Online Version of Elevator Corridor Ultra-Thin Digital Black

☆【Appearance】This digital photo frame adopts aluminum alloy oxide frame, front cover with toughened glass, hardware back cover, rounded corner design, beautiful and generous ☆【Function】Remote control, compatible with multiple formats, rich in content, easy to operate, powerful background software ☆【Smart】High-definition smart wall-mounted advertising machine, with ultra-high resolution, smart split screen, 178° ultra-wide-angle display, free switching between horizontal and vertical screens ☆【Built-in】 The network version uses quad-core 1-1.5GHz CPU, supports RTC real-time clock, supports local system upgrades, etc. ☆【Network】 The network version of the advertising machine, using B/S architecture, can update web pages in real time, publish information, and switch back to stand-alone mode when the network is abnormal