[Size]: The Electric Drill Switch Motherboard measures 6.8cmx2.6cm/2.68inchx1.02inch, compact yet powerful in its functionality. [Features]: This controller board is a Brushless Electric Controller Drive Circuit Board, suitable for your power needs. [Accessories]: The controller board is a versatile addition to your toolbox. [Premium Material]:This controller board is made from Electronic Component, ensuring wear resistance, durability, and long term use. [Use]:The compact design of this control board makes it easy to install and suitable for all types of 12V brushless drill., Manufacturer: Ounfhtrttk