Dual Modules & 3 Projecting Modes: PREXISO line laser has two laser sources. Laser level of professional laser head is more accurate. Projects bright horizontal, vertical & cross 3 modes ​lines onto flat surfaces and levels, stable than other common equipment Expansion Angle & Green Beam: Vertical Beam Spread Covers wider angle - An expansion angle easily projects a vertical line from the floor to the ceiling. Green laser is 3 times brighter than red laser with the same light source, and gives you maximum green laser brightness up to 100 ft with high accuracy; Class II laser product, maximum laser output < 1mW Type-C Charging & Universal Usage: Built-in 2000mAh Rechargeable Lithium-ion Battery; Rotatable 360° magnetic mounting base to assemble with the 1/4\"-20 treaded mount at the bottom of the tool . Suitable for wide uses, such as paving tiles, installing carpentry for doors, windows or furniture, hanging wallpaper, etc. PREXISO line laser dustproof, wear resistant, cold and high temperature. Covered by TPE soft rubber for shock resistant and comfortable grip Self Leveling & Manual Mode: With the switch to the \"unlocked\" side, the tool is in self-leveling mode, means the tool will level itself if it is within ±4° of horizontal. If the surface tilt more than 4 degrees, If the surface tilt more than 4 degrees, the lasers blink and the LED light (lock) on the top goes red; Slide the switch to \"lock\" side and press the button 3sec to turn on the laser in manual mode, the self-leveling feature is disabled and lock lines for alignment to other angles Bonus Laser Level Tripod: The Tripod can expand to 26 inch helps you adjust the position of the laser for maximum accuracy. It closed height of 12-1/4 inch, ease of storage; Combined with a standard 1/4\" quick release plate, you can install and remove the laser level in seconds › See more product details