From their web site:
Product Features
· Terrestrial 8-VSB demodulation
· ATSC 18 video formats decoding
· ATSC HDTV complaint MPEG2 MP@ML/ MP@HL decoder
· Compatible with HDTV, EDTV and SDTV displays
· User-selectable CH3/CH4 NTSC RF output
· ATSC AC3 audio decoding
· Modern design with user-friendly OSD interface.
· Aspect Ratio 16:9/ 4:3
· Multilingual support
· Automatic and manual channel scan
· Closed Caption, V-Chip and EAS (Emergency Alert System) Support
· Support Advances Rating (Rating Region Table downloadable)
· Software upgrade

Operation 120VAC, 60Hz, 8W max.
Standby <1W
Dimensions 175 x 135 x 33 mm
Weight 0.98lb.
External power adaptor