Switching Power Supply

12V, 29.5 Amp, can use up to 23 Meter
12V, 17 Amp, can use up to 13 Meter 
12V, 12.5 Amp, can use up to 10 Meter
12V, 8.5 Amp, can use up to 7 Meter
12V, 6.2 Amp, can use up to 5 Meter 
12V, 3.0 Amp, can use up to 3 Meter 
12V, 1 Amp, can use up to 1 Meter