If you are not satisfied with it for any reason then. Condition as in the photos. Should you identify any faults.
Dell Latitude E5440 Volume Control Board & Ribbon Cable LS-9834P
LJCELL CMOS Battery for Dell Latitude E5440 E5450 E6440 E6420 E7440 E7240,CMOS battery for Dell AlienWare M11x R1 R2 Area-51 M9700 M9750 laptop BIOS RTC CR2032 Battery with 2 Wire Cable and connector.
Rome Tech CMOS Battery 3V CR2032 w/ 2-Pin Wire Cable – Compatible with Dell Latitude E5440 E5450 E6440 E6420 E7440 E7240, Dell Alienware M11x R1 R2, Area-51 M9700 M9750, Lenovo ThinkPad P51-1-Pack
Dell Latitude E4310 Volume Media Buttons Board with Cable LS-5697P
Dell Latitude E6400 Volume Button LED Cover Trim
Dell Latitude E5540 Volume Control Board & Ribbon Cable LS-9834P