Protections overload / over voltage / short circuit
Cooling by free air convection
This Power Supply Unit "DOES NOT" come with installation instruction,wiring cable.on/off switch,or screws,Professional installation of qualified electrician is highly recommended.
How to calculate Support max LED Strip Length:
Assumption Your LED Strip 60LEDs/m,and each LED 0.2W,then calculate max LED Strip Length 0.2W/LED X 60LEDs/m=12W/m, 60W(this listing)÷12W/m=5m,So,Support the LED Strip(60LEDs/m,0.2W/LED) Length (Max)=5M