√√√ we promise it comes with -5V, high quality & durable | √√√ AC Input : AC 110V - 220V, DC Output: +5V/16A, +12V/4A, -5V/1A | √√√ 110 Watt power supply. | √√√ LED power on indicator & Built-in EMI Filter | √√√ We promise to offer High Quality products & Best Service&Unconditional Free Replacement or Money Back