You're buying LED backlight bar set which includes:

4x LED strips 49LH51_FHD_A

4x LED strips 49LH51_FHD_B

NEW part, pulled from NEW LG TV with crashed screen. 100% working condition. 30 days warranty.

Known compatible TV model and matrix panel below:

Tv model LG 49LH510V

LCD screen panel model New Optics NC490DUE

This part maybe also compatible with many other LG TV models.

Part numbers:

49LH51_FHD_B

SSC_49INCH_FHD_B_REV00_150924