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): 431 mm
Number of LED beads: 24 per strip
Every LED Lamp Voltage: 0-94V
Package include: Kit /2 pcs

LED Light bar model:
17Y 40_7020_24_REV02_160720
17Y 40_7020_24
NS7S400HND01
LSY400HN02

Compatible TV models:
Sony KDL-40WE663 KDL-40WE665 KDL-40W660E KDL-40RE453 KDL-40WE6632WS