AikTryee is a professional manufacturer with 20 years of integration of <br> electronic product design and production. We have rich experience in <br> product design and production. All products are manufactured under <br> professional and responsible quality inspection team. <br> <br><br> <b>Laser Parameters: </b><br> Class IIIA laser product<br> Laser max output: less than 5mW<br> Measuring error: +/-2mm at 10m and 25m<br> Color: Black<br><br><br><br> <b>Laser Note: </b><br> Laser radiation, avoid direct eye exposure!<br> Please put the product in the place where children can not touch it.<br><br><br> <b>Note:</b><br> Please press the key button when you pull out the measuring tape, <br> it would make the measuring tape better and easier using.<br><br> Please loosen the key button to lock the reel when the measuring tape <br> have been drawn out the length you wanted. <br>Note:<br> Fades in sunlight or outdoor use.<br><br><br><b>Quality Assurance: </b><br> The product quality assurance is 3 years. If you encounter any problems <br> during the 3 years of use, please contact us for after-sales service. <br> We guarantee that we will return to you within 24 hours and give you a <br> satisfactory solution. <br><br><br> <b>Package: </b><br> 1 x Multipurpose Level Laser ( included:3 x AG 13 Button-Cells ) <br> 1 x straightedge <br> 3 x AG 13 Button-Cells Battery<br><br><br>