2.4GHz Wireless Camera System: 1.Built-in 2.4G wireless receiver 2.Distance:100m (barrier-free) 3.Reception capability:-80 2.4GHz Wireless Camera System Features: 7 Inch Wireless color LCD rear view monitor ... display. Picture image may be adjusted for Horizontal, Vertical, Mirror and Normal viewing. Multi-languages of display available: English, French, Portuguese ...