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. 
Specification：
LED Qty: 5leds.
Length: 585mm
Package including:  10 pieces LED Strips
Substitute Part #:

SVH550AC3_5LED_REV05

SVH550AH9_5LED_REV04

Compatible with TV model (just for reference):

Hisense 55H6B 55H5C LED55EC290N

Insignia NS-55D510NA17

Sharp LC-55LB481U

For Screen:

HD550DF-B52 HD550DF-B32 HD550DU-B52 HD550DF-E32 NS-55D510NA17

55K220PWG LED55K1800