Wider Range Measurement: With bubble level, it provides a high accuracy measuring experience. Distance measuring range: 0.05-230 feet / 70 meters. Accurate to within 1/16-in (1.5 mm), END PIECE for better MEASUREMENT Durable and Better Operation: IP54 Waterproof, Dustproof, Crashproof designing, suitable for user use in everywhere and anytime due to strong protection. Covered soft rubber is more shock-resistant and wear-resistant. Auto correction and error report technology which provide you a credible result. Better Display and Internal Support: 4 lines of data with LCD backlight screen design allow you to read the data under bright environment. Compact & Handy design, internal memory can save and recall the last 21 sets of data Multiple Measurement Features: Enable you to measure area, distance, length, volume, continuous measurement and measurement by Pythagoras which is board use for home design, construction and industries, especially for big area. Addition and subtraction function provide you a easy and convenient measurement so as to increase the working efficiency. Reliable and Continuous Service: Our package included Perfect-Prime RF0370 Laser Distance Meter, Canvas Bag, Hand Strap and User Manual. 3 Years Warranty provided, assure you a good quality and professional device.