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.

Product information
Condition: Brand NEW 
Size (Length):  541mm
Number of LED beads:  54 LED per strip
Every LED Lamp Voltage:3V
Package include:  1Kit / 2pcs
Compatible light bar models:
LB50016
58-LB-T50-JS-L-NICHIA4020-54-X1
58-LB-T50-JS-R-NICHIA4020-54-X1 
74.50T21.001-1-DX1
Compatible TV models:
Sony KDL-50W700B KDL-50W800B KDL-50W815B KDL-50W828B KDL-50W706B KDL-50W829B KDL-50W805B