Brushless Switch Control Board Compatible with Dayi 2106 161 169 18V/21V Electric Impact Wrench Control Module Replacement

- -Compatibility: Brushless control board compatible with Dayi 2106/161/169 electric impact wrench and similar 18V/21V brushless tools.
- -Function: Electronic control module designed for motor switching and speed control in compatible power tools.
- -Voltage Specification: Designed for 18V nominal battery systems, compatible with fully charged 21V lithium battery packs used in the same platform tools.
- -Installation Requirement: Proper installation requires correct wiring connection, secure motor fixation, and fully assembled housing before power-on. The tool must be fully assembled before testing to ensure normal operation.
- -Important Note: This is a replacement control board component, not a complete tool. Professional installation is recommended for best performance and correct operation.