1Wide Receiving Range: This car analog Tv box is for all kinds of Tv receiving and Av input switch, wide receiving range, compact structure, 12V power supply. 2Clear Picture: Using Iic bus control technology and frequency phase?locked loop control technology, the picture is clearer and more stable, and there will be no temperature drift. 3Full Tv System: Car Tv box can receive wired or wireless analog Tv signals. The Tv standards include Pal, Secam, Ntsc and Tv audio standards (Dk, I, Bg, M). 4Osd Menu Display: At the same time, it also has the Osd menu display function, which is convenient for users to operate the functions of this machine. 5Easy Installation: Connect your portable Dvd or monitor and watch analog Tv. 1 Ant In and 1 Output interface, easy to install. Receive closed?circuit television signal or outdoor signal.