USB port, plug and play, very convenient.
Need 5V 2A power bank, mobile power or charging plug (not included) for power supply, largely prolong the shooting time of your camera.
Suitable for Canon EOS 550D, 600D, 650D, 700D DSLR cameras.
Adopts multi-protection technology, such as short circuit protection, over-voltage protection and over-current protection, which ensures the absolute safety during use.
Cable length is up to 1.5m. Long enough, very convenient to put your own power bank or mobile power in your pocket or bag, or at somewhere else.