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.

Specification:
1. 100% brand new and high quality
2. Frequency: 125 KHz
3. Package included: 50pcs RFID Rewritable Keyfobs.
4. Working Mode: Read-write modes - Can be used in 125KHz RFID card Copier/ Duplicator
5. Storage Capacity: 330 bit (264 free bit availability)
6. Reading distance is 0 - 10cm

Packaged included:
50*Black T5577 Keyfobs
.