Features: Receive free digital and analog signals off air. Supports both UHF/VHF signals. Compatible with HD/DTC Receiver, PC, Notebook, DTV/HDTV. Supports 1080i 1080p 720p. Ultra thin and lightweight. Multi-surface suction-cup stand. No external power required. Suitable for European Continent and South-east Asia. Attention: May require digital converter box when connected to TV. May require TV turner card when connected to desktop computer. May require USB adapter when connected to notebook computer.