Works with full sized LED light bars, control the flash patterns.
Can make least 26 kinds of flash pattern.

78K digital controller, including arrow stick, take down light and alley light separate fuction.

Switch A: 
"-"  Right alley light-steady light up;
"="  Right alley light-flashing;
"0"  Right alley light-OFF;
 
Switch B:
"-"  Left alley light-steady light up;
"="  Left alley light-flashing;
"0"  Left alley light-OFF;
 
Switch C: 
"-"  Take down lights-steady light up;
"="  Take down lights-flashing;
"0"  Take down lights-OFF;
 
Switch D:
"-"  traffic advisor(With G/H/I/J switch function)+flashing patterns(With E/F switch function);
"="  flashing patterns(With E/F switch function only);
"0"  OFF;
 
Remarks: Switch E(flashing patterns: select Pre flashing patterns)
        Switch F(flashing patterns: select Next flashing patterns)
        Switch G(traffic advisor: flashing from 2 sides to middle)
        Switch H(traffic advisor: flashing from middle 2 sides)
        Switch I(traffic advisor: flashing from left to right)
        Switch J(traffic advisor: flashing from right to left)