Feature: Made of high quality technology surface eucalyptus marine multilayer&10mm oak High grade durable speed governor dc3-12v, 200-2000ma multi grade steps speed regulation, easy to plug and unplug, easy to store Taiwan imported double ball bearing fan, 12v0.7a4500rpm, long life, wind size free control Stainless steel&galvananized screws fastening, to limit rust Precise size and reasonable internal design, consistent texture, the exterior, corners by hand 220 to 400 mesh sandpaper fine polishing Five layers of thick extra hard packing carton, bubble film cushion package to make the product safer Specification: Name: Household Grain Cleaning Winner Machine Input voltage: AC 100-240V Working voltage: DC 3-12V Product size: 320x110x200MM Package size: 350x190x230MM