* wajib cek voltase adaptor bawaan perangkat sebelum membeli HANYA UNTUK PERNGKAT 12V TIDAK BISA UNTUK PERANGKAT 5V Input Voltage : USB 5V Input Current : 2.1A Output Voltage : DC 12V Output Current : 1.0A output interface: 5.5*2.5mm Cable length : about 550mm 1) Just connect the step up cable with 5V device USB port and facilities,it will make your facilities work as usual when mains supply is cut off. 2) you can also connect the function cable to 5V uninversal phone plug,and then connect to the mains power with your device. 3) Tansform 5V USB power to DC 12V output power 4) Type A male USB plug to DC 5.5*2.1mm cable 5) Charging your 12V DC device from USB port 6) Using an available USB port on your computer, smartphone charger or power bank. 7) It is a easy and available power solution for mobile application USBCON12