Hand planing a board takes dozens of passes; an electric planer does it in one. The double-edged cutterhead of the Zhengyue planer delivers several times the efficiency of hand planes. Depth adjustment is precise to 0.1mm, controlling both rough leveling on renovation sites and fine planing in furniture making. The 40V platform frees the planer from power cords, removing outlet constraints for outdoor renovation and on-site fabrication.Recommended for carpenters, renovators, and floor installers.