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. 

New LED Backlight bars
Material: Aluminum
the price for 4 PCS/set
LED Qty: 60LED leds per strip
Size (Length):  618 mm
Below models all compatible:
55INCH-0D2E-60
S1G2-550SM0-R1
LJ64-02876A
LJ64-02875A
LTY550HJ03 LTI550HN02 LTY550HJ0
For Sony KDL-55EX720 KDL-55HX750 KDL-55EX621 KDL-55EX620