1、The laser level ruler can project 3 kinds of laser lines including horizontal, vertical and crossed lines that can measure whether the plane is uneven or assist in hang pictures. 2、Equipped with 3 fluorescent level bubbles of horizontal, vertical and 45 degree tilt to measure whether the plane is horizontal. 3、Built-in 5m steel measuring tape marked with mm/inch dual scales. 4、There are 15cm and 6inch measuring scales on both sides of the level ruler. 5、Come with a flexible and adjustable tripod to fix the level ruler at many directions. 1 x Laser Level Ruler 1 x Tripod1 x Clip Item Type: Laser Level Ruler Model: Laser LV03Material: ABS plasticColor: BlackLaser Wavelength: 650nm-680nmAccuracy: 0.01Power Supply: AG13 battery (not included)Net weight: Approx 172gFour Functions: 3 kinds of laser projection line / level ruler / tape measure / ruler