General description New and high quality welding-free foot hammer controller designed for lithium impact drills. Made of high-quality materials for maximum durability and reliability. This electric hammer drive control board is an essential accessory for electric tools, featuring professional workmanship and a novel design. Please ensure that this item meets your needs before purchasing. Technical specifications Material: Plastic Package Contents: 1 x Electric hammer drive control board Measurement allowed error: +/- 1-3 cm Installation Easy to install with no complicated tools required. However, professional installation is strongly recommended as an installation guide is not included. Other information The product may be updated constantly; due to different batches, the actual product may have slight differences or color variations that do not affect its use. The wiring harness colors are random due to different batches, and designated colors are not accepted. Differences in printed