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 match the strips shown in the photo to the originals in your TV before ordering.

[Applicable to]:
TCL LE55D8800/H55V8990/UD55H18
Toshiba 55L621U
Philips 55PFF5055/T3 /55PUF6001/T3/55PUF6056/T3/ 55PFF5250/T3 55PUF6031/T3/ 55PUF6050/T3/ 55PUF6051/T3 55UH6501/T3/ 55PFF5201/T3/ 55PFF5451/T3/ 55PUF6092/T3/ 55PFF5055/T3
Lenovo 55A8/55A3/55G3/55E82 and other models
Commander D55C light bar/KTC 55S71F light bar/LD55P18U light bar

6 lamp version parameter description
[Light Bar Model]:

4708-K550WD-A4213K21

4708-K550WD-A4213K31

[Light bar parameters]: a set of 12, each with 6 or lights, 6A+6B length 585mm
[Lamp bead voltage]: single 3V
[Product material]: Brand new aluminum substrate, fast heat dissipation, durable quality, high-quality lamp beads

7 lamp version parameter description
[Light Bar Model]:

4708-K550WD-A4213K21

4708-K550WD-A4213K31

[With screen model]: K550WD9
[Light bar parameters]: a set of 12, each with 7 lights, 6 A+6 B, length 584mm
[Lamp bead voltage]: single 3V