100% working condition.We test the led strip before shipment ,so you can buy with confidence. 
Important:

Please be sure that the LED STRIP model is EXACTLY same as ours. 
Do not match by TV Model. Many TV models use various different sets of LED strips. 

Product information
Condition: Brand NEW
Size (Length): 560 mm
Number of LED beads: 7 per strip
Every LED Lamp Voltage: 0-94V
Package include: Kit /10 pcs

LED Light bar model:
Hisense_55_HD550DU-B52_10X7_3030C_V0_20151012
HD550M3U51-TA

Compatible TV models:
55H8C H55M3300 H55MEC3050 H55MEC3350