Compatible Models: X5C Explorer Quadcopter, X9 Flying Car, X12 Quadcopter, X13 Quadcopter / High Speed 2.0 USB Cable / High Quality /Transformer / All products are tested to exceed/meet standard specification / OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) / FREE SHIPPING BOTH WAYS / 2 YEAR FREE REPLACEMENT WARRANTY