TACKLIFE SC-L01 PRO - Green Laser Level, Three Modules With 2 Laser Heads, Horizontal/Vertical/Cross Line, USB Rechargeable, Self Leveling, And Pulse Mode - Newegg.com
50 feet Laser Level Self-Leveling Horizontal and Vertical Cross-Line, Black - - Amazon.com
TACKLIFE SC-L01-50 Feet Laser Level Self-Leveling Horizontal and Vertical Cross-Line Laser - Magnetic Mount Base and Carrying Pouch, Battery Included - Newegg.com