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.

Product information
    Condition: Brand NEW
    Size (Length): 610mm
    Number of LED beads: 7 LEDs per strip
    Every LED Lamp Voltage: 3V
    Package include: Kit/11pcs
Compatible TV models:
Insignia
    NS-55D550NA15
Hisense
    55K23D9W 55K20DG 55K23DG 55K23DGW
Compatible light bar models:
    SVH550AA2_REV05_7LED_130719
Screen number:
    HD550DF-B51 \ S0
    HD550DF-B57 / S0