<br><b>Parameter</b><br> Input: AC110V/220V 50/60Hz <br> Output : DC 24V 20A 480W max <br> Fix Screw Hole Diameter: 2.5mm (0.1inch) <br> Working temperature: -10 to 50 degree Celsius<br> Storage temperature: -20 to 60 degree Celsius<br> Environmental humidity: 10-95%<br> Material: Metal, Electronic Parts<br> Safety Compliance: CCC/ FCC / CE<br> <br><b>Connection instruction</b><br> L/N: AC power input<br> +V: DC power output “+”<br> -V: DC power output “-“<br> +V ADJ: Adjust the output voltage (10%)<br> <br><b>Kindly note</b><br> 1) High Voltage inside, do not remove the cover. <br> 2) 110V/220V must be selected by switch before using to avoid damaging. Please change the switch to 110V for USA. <br> 3) It comes without installation instruction, wiring cable, on/off switch and screws. Professional Installation of qualified electrician is highly recommended. <br> <br><b>Package included</b><br> 1 x 24V 20A Power Supply<br>