The power supply of the T5 data cable detection board can be connected to a 5V power supply, computer, or other USB port for power supply. Using T5 abnormal direct detection board, the light on indicates normal, and no light indicates abnormal data cable. T5 data cable detection board, quickly detects abnormal cable problems. Hign-concerned Chemical:None for: for IOS and Android Phones used for:quickly detect abnormal data cable issues Colour:As Shown Material:PCB Steps: 1. Plug the data cable to be tested into the corresponding output port on the charger. 2. Plug the data cable into the corresponding input port on the phone. 3. Use the Type-C charging cable to plug into the power port to power the board. 4. Type-C to IOS data cable detection: indicator light Type-C to IOS data cable detection (blue light on means is normal, no light means the data cable is abnormal). Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * T5 Detection Board. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.