Size : 32, 40, 43, 50 Model : T2S2 Best viewing distance (M) : 2-4 Color : Black Resolution : 1366*768/1920*1080/3840*2160 Ratio : 16:9 Refresh rate : 50Hz~60Hz Scanning mode : Progressive scanning Response time : 6.5ms Backlight : Direct type HDTV compatible : 2160P/1080P/720P Horizonal Angle : 176° Vertical Angle : 176° Audio system : Dolby optional QTY of Amplifier : 2 Output Power Rate : 8W+8W USB3.0 : Yes USB2.0 : Yes HDMI : Yes Video : AVI/MPG/TS/MKV/MOV/MP4/RM/RMVB Audio : MP3 Photo : JPEG, BMP, PNG Border material : Plastic Base configuration : Horns/vertical horns / Arc angle / casting vertical horns The base rotates : No Base material : Plastic Network : Yes Connection : Wire/Wireless Power Consumption (W) : 60/74/75/120/160/220 Working Pressure : 100-240V