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 check your original led strip model in your TV before ordering.   

new LED backlight bar

2 Model is  compatible

SVH550AH9= SVH550AC3

working for

HISENSE HD550DF-B52 SVH550AC3 SVH550AH9  55H5C 55h6b LC-55LB4 NS-55D510

INSIGNIA NS-55D510NA17

Features:

    100% new !!!
    Strips length are fixed, can not be cut.