Features: Suitable for 99.99% of all types of screws on the market. Multiple levels vibration frequency adjustment: Various types of screws can easily arranged. Easy to operate and quick to arrange: without complex programs, screws can automatically arranged. Easy to operate, Say goodbye to the hand cranked screw disc to make screwing simple and comfortable. High-efficiency vibration motor completes arrangement in 3-4seconds. Specifications: Component:ABS Loading screw capacity: 160-459 holes Interfaces: Type c (external power supply) Applicable screw plate specifications: universally (140x90MM conventional type) Applicable screw specifications: 1.0-4.0MM Gear: 3 gears Input voltages: 5V Input current: 2A Type:1.5,2.0,2.5,3.0,3.5,4.0 Package Includes: 1Piece Automatic Screw Feeder note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.