Features: 1. It has large double horizontal foam, the measurement is more professional, the observation is clearer, and the measurement accuracy is improved. 2. Optical lens with two photo-sensitive holes for more accurate and stable measurement data 3. Small body and it is convenient to carry 4. The laser distance meter has Outer glue which is anti-fall, anti-skid, waterproof and dustproof 5. High-definition backlight with clear reading Specification: Condition: 100% Brand New Model: W-150 Color: Black Protection Level: IP54 (dustproof, splashproof) Measuring Range: 0.05-150m Measurement Accuracy: ±1.5mm / ±0.06in Measurement Result Unit: m/in/ft Laser Type: Red Laser, Wavelength: 635nm, <1 mW, Grade: Level 2 Working temperature: 0-40℃ Power Supply: 2 * 1.5V AAA Batteries(not included) Weight: Approx. 133g / 4.7oz Package List: 1 * Laser Distance Meter 1 * Hanging Rope 1 * User Manual 1、It has large double horizontal foam, the measurement is more professional, the observation is clearer, and the measurement accuracy is improved. 2、Optical lens with two photo-sensitive holes for more accurate and stable measurement data 3、Small body and it is convenient to carry 4、The laser distance meter has Outer glue which is anti-fall, anti-skid, waterproof and dustproof 5、High-definition backlight with clear reading