DeWalt Line Laser (2 x 360°, Red Laser Diode, 635Nm, Laser Class 2, Laser Visibility up to 20m, 10.8V Battery, Charger, Wall Mount, Target Board, Laser Glasses and Carrying Case) : Amazon.com.be:
DeWALT - DCE089D1G-QW - DW 1080 LINE LASER 10.8V GREEN
DCE088 10.8V Self Levelling Cross Line Laser From DEWALT - YouTube