Details：
Works voltage: AC5-9V or DC8VThis is a ssembeld and tested board.
With memory, mute, audio switching, power on/off and other functions
4 way input
2 way output
With memory, mute, audio switching, power on/off and other functions
4 way input
2 way output
Package included：
As the first picture show + 3pcs RCA + 3pcs contol cables The remote default is not include battery ！
