Limited by the size of traditional bubble levels? Check out our cross line laser level that can go across the entire wall or ceiling! It comes with a self-leveling system that can find the real levels accurately and efficiently. If the instrument is out of level range, the laser tube is able to automatically turn off. This laser level can project a clear and visible line to 15 meters away and it can reach to 50 meters with a detector. It can project 4 vertical and 1 horizontal lines with 6 points. The durable design allows it to work under rough outdoor conditions. Whether you are hanging decorations or framing walls, you want to make sure that your projects line up perfectly, buy one for yourself today! Features: Easy to operate Safe and highly accurate Self-levelling system Automatic switch off when out of range 360 degree rotating base with adjustable bracket Able to project 4 Vertical Lines, 1 Horizontal Line, 1 Plumb Beam Ideal for building, framing, trusses, ceiling, door and window installation, picture framing, etc. Durable design can be used in tough conditions Premium carry case for easy transport Specifications: Color:Orange Material: Aluminum alloy base Type : Red light Laser wave length (635 nm) Accuracy of 1 mm Working distance of 20 meters Working temperature 10 degrees to 50 degrees below zero For indoor and outdoor use Product Dimension (Dia x H): 10 x 20cm Packing size (L x W x H): 16 x 21 x 24cm Gross weight: 1.5kg Package Contents: 1 x 360 Degree Rotary Laser Level( batteries not included) 1 x Protective Glasses 1 x Instructions 1 x Strap/Belt 1 x Tripod extra fees occured