For iPhone 7 Plus 

Complete Power Flex Cable

includes;

-Power button

-Volume buttons

-Flash LED

-Mute button/Lock

-Associated brackets

Using Original parts in any repair is always the best option, not only can the quality not be matched by copies; With a Genuine part you can be sure in the future (following Software upgrades) no incompatibility issues will arise. 

6 Month Warranty 

(does not include damage, accidental or otherwise)