Please use the jumper to select between 12V and 5V output before powering the device. Failure to do so may result in damage. This power module is compatible with DC 12V/5V devices such as monitors, routers, switches, cameras, and disk drives. Eliminates the need for an external power supply. Supports ATX standard chassis with PCI-E 12cm height bracket. Features a safe and stable DC 12V/5V power control and management system with lead-free, high-temperature SMT construction. Input via SATA-15pin or IDE-4Pin connector, drawing power from the internal chassis supply. Output 1: DC5.5mm jack for 12V/5V output (jumper required to select voltage). Output 2: DC5.5mm jack for 12V output. Output 3: 2-pin DC connector for 12V/5V output (jumper required to select voltage). Includes one DC5.5mm 1-to-4 power cable compatible with DC5.5x2.5mm, DC5.5x2.1mm, DC4.9x1.7mm, and DC3.5x1.3mm connectors. Design may vary slightly due to manufacturing batch differences; these variations do not affect performance. Color: As shown. Material: PC+Plastic. Package includes: 1 x Power Card, 1 x Cable. No other items included. Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement tolerance: ±1-3 cm.