Multifunction Use - Widely application adapt to different materials of wall, such as red brick, sand brick, brick, water brick, cement cover wall. Ideal for electricians, plumbers and other contractors Groove Cutting Depth Can Be Set - An Angle of 90 degrees can also be cut.Safe and ergonomically optimum handling. Ensure the safety of the users by the electric leakage protector. Easy & Simple Operation - Work should take dustproof glasses and Mask. Built-in vacuum port and water pump work at the same time to reduce the dust during work One Time Molding - Fast automatic grooving wall tank,suitable for quick and clean cutting of wall chases. Without any auxiliary tools and the second process. Cutting groove depth can be randomly controlled. Built-in Infrared Beam - Wall slotting machine is equipped with infrared rays and rollers. When working, it uses the roller to stabilize the propulsion while aiming with infrared rays to make the lines straighter., Manufacturer: RSGXLFQZVAK