It is 5 strips
30 led/m = 0.2 amps per colour per metre
1 strip takes 1amp per colour per strip
so 3amps per strip
3amps x 5 strips = 15 amps
30 led/m = 0.2 amps per colour per metre
1 strip takes 1amp per colour per strip
so 3amps per strip
3amps x 5 strips = 15 amps