100% working condition.We test the led strip before shipment ,so you can buy with confidence. 
Important:

Please be sure that the LED STRIP model is EXACTLY same as ours. 
Do not match by TV Model. Many TV models use various different sets of LED strips.  Note: This model of light bar has a total of 9 lamp beads, and the applicable screen types are as follows: HC490DGNSLNX5514X , HC490DGNSLNX1 , HC490DGNSLNX2 , HC490DGNSLNX3 , HC490DGNSLNX4 Please double-check that your TV screen matches it before placing an order. 

New LED backlight bar

Material: Aluminum
the price for kit 8 PCS(4*A 4*B)
A+B= 9LEDs 993mm
LGE WICOP 49inch UHD FHD REV05 A B
LGE_WICOP_49inch_UHD_REV06_A
LGE_WICOP_49inch_UHD_REV06_B
FOR LG
49LF510V 49UH610A 49UH6100 49LF5100 49UH6030 49UF640V 49UF6407
NC490DUE SADP2 HC490DGN-SLNX5-514X