Tested Units, Safety: CE-/FCC-/RoHS-Certified for safety,over voltage protection, short circuit protection, over current protection.
Customer Questions: Any questions you can contact with us, we will respond within 24 hours.
Exchange/Refund Policy: Free exchange/refund within 12 months. You can keep the order before we resend a new one and we will email a prepaid return label to help you return the order.