... photos, music, video, games and other applications to HDTV, wireless bridge to your iPhone, Pod touch, Pad to the TV, sharing ... of work + intelligent power supply systemWireless video transmission technology, wireless entertainment to enjoy unlimited30 m indoor use, free non- ... 4pcs Signal channel: 4pcs Key: 1pcs Video format: PAL / NTSC Wireless frequency: 2.4GHz Work environment: -20 ~ 50 °C indoors ...