✔ Full 4 x 360° Laser Coverage for Whole-Room Levelling The Grettz G4D projects four 360° laser planes (16 lines total) – two horizontal and two vertical – allowing complete room coverage for precise layout work. Ideal for flooring, tiling, ceiling installation, stud walls, cabinetry and renovation projects. ✔ High-Visibility Green Laser Technology The advanced green beam diode is up to 4× brighter than traditional red lasers, delivering clear visibility indoors and improved performance in bright environments. ✔ Self-Levelling Precision with Manual Mode The smart pendulum system automatically self-levels within ±3°, ensuring accurate alignment every time. Switch to manual mode to project angled lines for stair railings, decorative work and complex installations. ✔ Pulse Mode for Extended Range Built-in pulse mode allows the laser to work with a detector (sold separately) for an extended working range of up to 40–60m, making it suitable for larger indoor areas and site work. ✔ Rechargeable Lithium Battery – All Day Use The integrated high-capacity rechargeable battery provides extended runtime and convenient charging, eliminating disposable batteries and reducing downtime., Weight: 1.984160358 pounds, Manufacturer: Grettz