Features: brand new and high quality Dual power supply sync startingcable can startup or shutdown two low power supply synchronously to increase power supply. This card will increase your power supply and saving cost. It can dispute the vedio card to two power supply to replace high power supply. Anticorrosive frosted coating get data transmission more stable and safer. Small and lightweight, easy to assemble and disassemble. Specifications: Item:Dual Power Supply Synchronous Starting Adapter ( Atx 24Pin to 4Pin Power Adapter) Product Interface：Atx 24Pin to 4Pin Material：Plastic+Metal Size: approx mixed Color：As Shown(Green) Package Includes: 1 x Atx 24Pin to 4Pin Power Adapter note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Be sure to recognize the direction when plugging in, and don'for t plug it in reverse or off-position to prevent the device from being burned. When plugging in, hold the socket of the device before plugging in to avoid inserting the socket pins with excessive force.