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
the price for 1 PCS 64LED  598mm
Compatible 49inch TV LED model 
LM41-00300A  BN96-39510A 
BN96-39511A  BN96-39512A 
S_K5.5/6.2K_49_SFL70 39511A
ST49490E062C
V6EY-490SM0-LED64-R4
LSF490HN02L07 CYVK049BGLV1H CYVK049BGLV2H CYVK049BGLV3H CYKK049BGLV1H CYKK049BGLV2H CYKK049BGLV3H LSF400HN02L07
Samsung-Modelli
UE49K6400 UE49K5510 UE49K5510AK UN49K6500AK UN49K6500 UA49K6000 UE49M5500 UE49K6550 UE49K6000 UE49K5670 UE49K5500 UE49K5600 UE49K6370 UE49K6300 UE49M5550 UE49M5522 UE49M5580 UE49M6500 UE49M6000 UE49M6550 UN49K5500 UE49K5659