... 20 meters through walls 2. 1080p 60hz 3. port: HDMI,YPbpr,RGB,VGA SEM-TV-BOX Function ... DTS, Dolby digitalVideo inputTV, VGA, HDMI, YPbPr, S-Video, CVBSAudio inputVGA, S-video, CVBS, YPbPrIR output2.5mm earphone jackIR frequency38KHZPower100~240V ... digital STB in entertainment field, medical treatment, high-definition video inspection, research and financial fields, bank, industrial control etc ...