Mini Circular Saw, Mellif Cordless Tile Saw Compatible with DeWalt 20V MAX Battery, 3200RPM, 3 Blades 3-1/2", Max Cutting Depth 1-2/11'', Laser Guide for Wood, Plastic, Soft Metal (NO Battery Include) :
DeWalt DCLE34031D1-GB 18V 1 x 2Ah Li-Ion XR Green Self-Levelling Multi-Line Laser Level - Screwfix
DeWalt 12v Green Laser Level (3 x 360 vs 5 Spot Cross Line) - YouTube