Battery Grip Meike MK-AR7 for Sony A7/A7R/A7S

Features: 

1.With vertical-shooting function 
2.Two lithium batteries can be put into the grip, with make it have double power 
3.With AF(auto focus)/MF(manual focus)/AEL(AE lock) functions 
4.C1 custom function 
5.With two wheels which are convenient for operation 
6.Support screen lock function 
7.Support lock display mode 
8.Suitable for Sony A7 A7r A7s 

Specification: 

Working voltage: 7.2v - 8.4v 
Working current: less than 3A 
Working temperature: -20 degree - 70 degree 
Applicable battery: NP-FW50(one or two pcs) 

Package Including:
1 x Battery Grip 
1 x English Chinese Instruction Manual