Five protections and safety guarantees: over-temperature-protection,short -circuit-protection,undervoltage-protection,overvoltage-protection,overcurrent-protection, shipment after load aging test .
Standards DC connector:5.5mm*2.5mm, Cord Length: 93cm (3.1ft). Inside (+), Outside (-). We recommend to use less than 80% of the full load. DO NOT OVERLOAD!