Model1 side --22"1 side --32"1 side --42"1 side --55"1 side --70"Model No.SH18022SH18032SH18042SH18055SH18070MaterialSheet MetalSheet MetalSheet MetalSheet MetalSheet MetalPyramidTempered Hologram GlassTempered Hologram GlassTempered Hologram GlassTempered Hologram GlassTempered Hologram GlassShowcase size (WxDxH/cm)52.5x39x3988x46x 5795x60 x 67128.5x90x84.5108x182 x 206Resolution1680x10501920x10801920x10801920x10801920x1080VoltageAC110 - 240VAC110 - 240VAC110 - 240VAC110 - 240VAC110 - 240VVideo formatMP4,AVI,WMVMP4,AVI,WMVMP4,AVI,WMVMP4,AVI,WMVMP4,AVI,WMVInputUp to 32GBUp to 32GBUp to 32GBUp to 32GBUp to 32GBInput PortUSB/VGA,HDMIUSB/VGA,HDMIUSB/VGA,HDMUSB/VGA,HDMIUSB/VGA,HDMIWorking Temperature0°C to 50°C0°C to 50°C0°C to 50°C0°C to 50°C0°C to 50°CAudioBuilt-in Speaker 5Wx2Built-in Speaker 10Wx2Built-in Speaker 10Wx2Built-in Speaker 10Wx2Built-in Speaker 10Wx2Led LightAdjustable Led LightAdjustable Led LightAdjustable Led LightAdjustable Led LightAdjustable Led LightLight ButtonYESYESYESYESYESPackageFlight CaseFlight CaseFlight CaseFlight CaseFlight CaseRemarkStand feet is optionalStand feet is optionalStand feet is optionalStand feet is optionalStand feet is optional