12v5a Power Adapter LCD Monitor Power Supply 3a4a Universal Router Set-Top Box Fiber Modem Note: Battery Battery Motor, This One Is Useless, Contact Customer Service Staff If Necessary. Technical Parameters: Input Voltage: AC (AC) 100-240V ~ 50/60Hz Output Voltage: DC (DC) 12V Output Current: DC (DC) 5A Input AC Line: 0. 5 M Output DC Cable: 1 Meter Output DC Interface: 5. 5*2. 5 [Compatible with 5. 5*2. 1mm] Power Polarity: (Large Quantity and Special Polarity Can Be Ordered as Needed) Power Size: Length 11. 8 Width 5. 2 Height 3. 1cm Packing: transparent Pp Bag/White Paper Carton