The Qooltek Multipurpose Laser Level is an awesome tool for both the Professional and the Do-It-Yourselfer. It can be used for home improvement, pictures hanging, wall tiling, and stair laying. A great gift idea for family, friends, and co-workers! Qooltek LV03BRS Multipurpose laser level Specifications: Laser Class: Class 2 (IEC/EN60825-1/2014), output power <1mWLaser Wavelength: 635-660nmLeveling Accuracy: ± 1/9 Inch at 33 FeetLeveling/Compensation Range: 4°±1°Working Distance: 50ft (100 LUX)Operating Time: 3 hours with the laser beam onPower Source: 1 x 50mAh Li-Polymer (401020) BatteryOperation Temperature Range: -10℃-＋50℃Storage Temperature Range: -20℃-＋70℃ Red CROSS LINE LASER LV03BSR Specifications: Laser Class: Class 2 (IEC/EN60825-1/2014), output power <1mWLaser Wavelength: 630-650nmLeveling Accuracy: ± 1/8 Inch at 33 FeetLeveling/Compensation Range: 4°±1° The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. 3 Line Modes Horizontal line, Vertical line and Cross-hair line Move the laser refractor window in front of the laser to switch between the three projection modes: horizontal level, cross-level, and vertical level. Tape Measure The 8ft Measure tape Press the button when pulling out the measuring tape to ensure better and easier usage. Once you have drawn out the desired length, loosen the button to lock the reel in place. Laser Parameters: Qooltek Multi-purpose Laser Level ✔ Laser light has an on/off power switch. ✔ Class IIIA laser product. ✔ This is a Class 3R laser product, Power output ＜ 1mW. Ø Note: Laser Ranging Error,that is given as "+/-2mm at 10m and 25m". Ø Note: If the laser is the Vertical Level or the Horizontal Level, you shouldn't adjust the Beam. A laser level that stands out from the crowd LONG LASTING Powered by a lithium polymer battery, ensuring extended operation time and consistent performance for your projects. TAPE MEASURE Equipped with a precision 8ft/2.5m AutoLock tape measure, providing accurate measurements for various tasks. LEVEL BUBBLES Features extra-large bubble vials for maximum accuracy and easy leveling, even in low-light conditions, ensuring perfectly aligned projects. 1/4" THREADED MOUNT Comes with a versatile 1/4-inch threaded mount, making it compatible with tripods and other mounting accessories. Application Qooltek Other Products Green Laser Level LVG1 Add to Cart Green Laser Level Add to Cart Laser Level Buying Options Laser Level with Stand Add to Cart Laser Level LV03BRS Add to Cart Magnetic Wristband Buying Options Portable USB 60LED Lamp Buying Options Customer Reviews 3.9 out of 5 stars 73 4.2 out of 5 stars 85 4.2 out of 5 stars 25,264 3.9 out of 5 stars 1,597 3.7 out of 5 stars 155 4.3 out of 5 stars 22 4.6 out of 5 stars 742 Price $28.88$28.88 $19.98$19.98 $8.37$8.37 $16.98$16.98 $16.98$16.98 — — Multiple Applications ✔ ✔ ✔ ✔ ✔ ✔ ✔ Line accuracy ±1/9 In. at 33 Ft. ±1/9 In. at 33 Ft. ±1/8 In. at 33 Ft. ±1/8 In. at 33 Ft. ±1/8 In. at 33 Ft. ✘ ✘ Powerful Magnets ✘ ✘ ✘ ✘ ✘ ✔ ✔ Power source 2×˝AA˝ (LR6) 3.7V Li-ion battery 3 x LR44 batteries 3 x LR44 batteries 3.7V Li-ion battery ✘ USB Port Powered Material Durable ABS Plastic Durable ABS Plastic Durable ABS Plastic Durable ABS Plastic Durable ABS Plastic 1680D Ballistic Nylon Military Grade Aluminum Premium Gift Box Included ✔ ✔ ✔ ✔ ✔ ✔ ✔