The input voltageAC: 100-240V  / otherCustom size17" 19" 22" 24" 26" 32" 40" 43" 50" 55" 60" 65" 70" 75" 85" 100"110"ResolutionHD(1280*720) / FHD(1920*1080) / UHD(3840*2160)Customizable RAM512M+4G / 1G+8G / 1.5G+8G / 2G+16G / otherInterface TypeComposite A/V，Separate Video，LAM，USB，Digital Audio，Support HDMI InputTV Custom StandardsATSC / DVB / ISDB / DTMBAfter sales guaranteeThe purchaser and wholesaler provide a one-year warranty and lifetime spare parts free after-sales service from the date of purchase