100% working condition.We test the led strip before shipment ,so you can buy with confidence. 
Many TV models use various different sets of LED strips. 
Please match the strips shown in the photo to the originals in your TV before ordering.  

OEM one which is compatible with original one.
New LED Backlight bars
Material: Aluminum
the price for  Kit / 3 pcs
LED Qty: 56 LEDs per strip
Size (Length):  404 mm
Below models all compatible:
NLAW50350
5071701-212-0056
Compatible TV models:
XBR-55X900C KD-55X9000C KD-55X9005C