There are three specifications:
Specification 1: Battery box+SD (you can install 1 battery+2 SD card at the same time)
Specification 2: Battery box+CF (you can install 1 battery+1 CF card at the same time)
Specification 3: Battery box+XQD (you can install 1 battery+1 CF card at the same time)
![](https://img.alicdn.com/imgextra/i2/2583301380/TB2JOlLtgaTBuNjSszfXXXgfpXa_!!2583301380.jpg)
![](https://img.alicdn.com/imgextra/i1/2583301380/TB2jm7egBjTBKNjSZFNXXasFXXa_!!2583301380.jpg)
![](https://img.alicdn.com/imgextra/i1/2583301380/TB2iOIngBjTBKNjSZFuXXb0HFXa_!!2583301380.jpg)
![](https://img.alicdn.com/imgextra/i2/2583301380/TB2EIR.teuSBuNjSsplXXbe8pXa_!!2583301380.jpg)
![](https://img.alicdn.com/imgextra/i4/2583301380/TB2k0k2kIyYBuNkSnfoXXcWgVXa_!!2583301380.jpg)
![](https://img.alicdn.com/imgextra/i1/2583301380/TB2SYWWtbSYBuNjSspfXXcZCpXa_!!2583301380.jpg)
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