Everything is okay. The item matches the description. Thank you.
logistics : total 18 days. excellent service. i'm very satisfied. i recommend. product : good quality and inexpensive price. works fine. the positive/negative electrode is same color leads. we must check the electrodes before connecting. i'm very satisfied. i recommend. seller : quick shipping and good packing. excellent service. i'm very satisfied. i recommend. thank you / xiexie