Panel type IPS (hard screen) screen ratio widescreen 16:9 interface type USB, HDMI, AV, headset connection Brightness 300cd / m2 scanning mode point by point scanning maximum resolution 1280 * 1080 system no operating system additional function ground digital signal receiving nominal contrast 1200:1 optimal viewing distance 1.1m (including) - 1.4m (including) packaging size 17 / 19 / 22 energy efficiency grade class I network connection mode does not support screen brushing rate 60Hz number of speakers 2 receiving system SECAM packaging list base, remote control, manual gross weight 15kg, working voltage (V) 110-240V, DC12V power supply (W) 13-15w video display format 1080phdmi interface quantity 1 3D type TV without base size 860mm × 250mmx574. Net weight (excluding base) 2.5kgs net weight (including base) 3kg display size without base 17 stacking layer limit 4 layers