Lay those tiles down evenly ;with your green laser level. Line up your bathroom floor perfectly the first time. Do you really want risk the wrath of your wife by doing it freehand? Get a laser level now. Attach your self levelling laser to almost anything you can think of. Use the wall-mount bracket, magnetic base, tripod, 360 base ;or nothing. Adjust it to within 3 degrees of level then let it self-level. Adjust your cross line laser to get the perfect line. Tweak each setting. Want a line at a slant. Put your laser level on the tripod. Turn off the auto level. Now you make a laser line at any angle. Drill the steel backplate into the wall then use the magnetic bracket ;to firmly attach your laser line level to your wall or roof. You can finely adjust the base to get that perfect line on your wall. A nice durable line laser ;installing tiles, wall decorations, stair handrails, ceiling fixtures, plastering, and more. Designed for indoors and outdoors ;use. As long as you dont swim with or take it into a sandstorm it will be fine. Key Features 4/8/12 high brightness green laser line 3automatic self-leveling function Angle the laser level up to 180 with the fully adjustable tripod 2400mah large capacity battery 360 rotating base Spirit level to calibrate Use indoors and outdoors Durable Waterproof, dust-proof, shockproof, shatter-proof SPECIFICATION:Laser colour: Green Material: Aluminium Alloy, ABS Line: 12 Line (4/8/12 line is adjustable) Horizontal/Vertical Accuracy: 0.2mm/m Auto-leveling Range: 3 degree Waterproof: Yes Minimum distance from wall: 7mm Operating Temperature: -10 ~ 40 degrees Celsius Storage temperature: -20 ~ 70 degrees Celsius Battery: 2400mAh Tripod Material: Aluminium Dimensions (level): 12cm x 8.5cm x 12cm (L x W x H) Dimensions (steel plate): 6cm x 10cm(L x W) Dimensions (bracket): 3.5cm x 8cm x 14cm (L x W x H) Dimensions (base): 9cm x 10cm (L x W) Dimensions (tool bag): 24.5 cm x 19cm x 16cm (L x W x H) Colour: Green PACKAGE CONTENT:1 x Traderight Laser Level 1 x Battery 1 x Base 1 x Power Plug 1 x Wall bracket 1 x Tool bag 1 x Instruction manual