3-反车辆转换（自动挑选者)

3-Way A/V Switch(Auto Selector) Auto AV selector Detailed Product Description*Auto AV Selector (3Way AV Switch, Audio Video Selector):3-way Auto Audio & Video Selector (no key, no remote).*Superior components with advanced circuit design*High fidelity, high isolation and noninterference*Real-time detection of input signal*Automatic turn on / off. Automatic exchange of input signal*Input port 1 priority*Power:220VAC/50Hz