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): 485 mm
Number of LED beads: 4 per strip
Every LED Lamp Voltage: 0-94V
Package include: Kit /8 pcs

LED Light bar model:
K500WDC2
K500WDK3
4708-K50WDC-A2113N01
SVK500AL1_WICOP_4LED_REV03_20170430

Compatible TV models:
Philips 50PFS4012/12 50PFT4002/12