DC 3 four 7 Switching Power Supply 3A 4A 10A 15A 20A 30A 40A LED Driver Transformer Converter Adapter Power Supply
Features:
Universal AC enter / Full range
Input:AC 85-265V 50/60Hz
Out put: DC three four 7
one hundred pc full load burn-in test
Protections overload / over voltage / short circuit
Cooling by loose air convection
This Power Supply Unit "DOES NOT" come with set up instruction,wiring cable/off switch,or screws,Professional set up of qualified electrician is extremely recommended
How to calculate Support max LED Strip Length:
Assumption Your LED Strip 60LEDs/m,and every single LED 0,then calculate max LED Strip Length 0/LED X 60LEDs/m=12W/m, 60W(this listing)/12W/m=5m,So,Support the LED Strip(60LEDs/m,0/LED) Length (Max)=5M