Mediasonic Homeworx HW180STB 3 / 4 Channel HDTV Digital Converter Box with Recording and Media Player (New Version) Receive Over-The-Air Digital Broadcast to your Analog and Digital TV, Projector, and Computer Monitor. Antenna Out Analog Pass Through, Favorite Channel List, Parental Control Function,USB Multimedia Player Function. Auto Tuning, HDMI 1080P Output / Composite Out / Coaxial Output, Closed Caption,Real-Time recording & Programmed Time Recording, Auto, 16:9 Pillar Box, 16:9 Pan G Scan, 4:3 Letter Box, 4:3 Pan G Scan, 4:3 Full, 16:9 Wide Screen. Timing Start Up & Shut Down. Recording require user to connect a USB 2.0 or USB 3.0 2.5" / 3.5" External Hard Drive via USB (Up to 2TB). (USB Flash Drive not recommended). Audio / Video format support- Photo- JPEG, BMP, PNG, Music- mp3, aac, mp4. Video- avi, mpg, dat, vob, mkv, mjpeg (may not work with some video & audio codec format) This converter box is designed to receive Over-The-Air signal, and it is not a replacement of cable box. External Antenna is required to connect to this converter box in order to receive signal. This product does NOT Work with TIVO and cable company such as Comcast, DirecTV, DISH Network, Time Warner Cable, etc. In general, this product does NOT work with encrypted cable signal