Led Driver With Two Output Ports For 3D Printers And Cctv Cameras, Shnitpwr 12V Universal switching mode power supply. Input: AC 110V / 220V, 50 / 60Hz ; Output: DC 12V, Max 10A 120W. Two output ports. Each port outputs 0~10A automatically to match your device, 10A max in total for 2 ports. The default output voltage is 12V, but it can be regulated by 10%, from 10.8V to 13.2V. It can supply with all currents less than 10A, such as 1A, 2A, 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A. For example, if your device draws 7.5A, then 7.5A will be supplied. If draws more than 10A, only 10A will be supplied and power supply will be damaged soon. NEVER OVERLOAD ! Certified by FCC CE ROHS. We focus on producing high quality power transformers. Automatically over-current cut-off, over-voltage cut-off, over -temperature cut-off, short circuit protection. Low noise, no spontaneous combustion, no explosion, no fire hazard, stable output, safe to use. It is widely use to driving 12V LED strip light, flood light, commercial lighting project, wireless router, ADSL cats, HUB, home security cameras, audio/ video devices, 3D printer, CCTV DVR NVR Surveillance System, LCD/LED monitor screen, webcam router, speaker or other 12V devices less than 120W. There is no cooling fan in the case, silent running. Aluminum case with many holes improves heat dissipation efficiency to avoid overheating. 30 days money back, 18 months exchange. If there is any issue, please contact us anytime.