Lenkeng LKV144VW4K @60Hz 2X2 VideoWall

FEATURES: 1× HDMI signal input and 4× HDMI signal output Supports up to 3840×2160 @60Hz resolution, downwards compatible Variety of splicing modes, such as 1×1/1×2/1×3/1×4/2×1/3×1/4×1/2×2 Dip switch splicing mode and RS232 control instruction to set splicing mode 3.5mm Left/Right channel audio output 180° Rotation of HDMI l/2 display image in 2×1/2×2 mode (when the upper displays are installed upside down) Firmware upgrade via micro USB port Lightning, Surge and ESD Protection