Safety: Our Products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) This Adapter is a Brand New, High Quality Never USED (non-OEM) Compatiblity: AC DC Adapter For BUFFALO LS-Q4.0TL/R5s LS-Q4.0TL/R5 LSQV4.0TL/R5 LSQ4.0TL/R5s LS-Q4TL/R5 LSQV4TL/R5 4TB LinkStation Quad Shared Network Storage NAS Power Supply Cord Note:please make sure the model of your device before buying Accessory USA AC DC Adapter For BUFFALO LS-Q4.0TL/R5s LS-Q4.0TL/R5 LSQV4.0TL/R5 LSQ4.0TL/R5s LS-Q4TL/R5 LSQV4TL/R5 4TB LinkStation Quad Shared Network Storage NAS Power Supply Cord