This Dummy Battery is Fully Decoded,so you can power Vedio camera,monitor or LED light though a DC power source
Plug A: DC 5.5/2.1mm
Plug A: NP-F550 Dummy Battery
Input Voltage: 7.4V - 8.4V
Output Voltage: 7.4V - 8.4V
Cable length: up to 80cm in Stretched state