Features: With unique 2 Bubble Levels, providing more precise measurement compared to one bubble. 20 groups data memory; Auto shut down after for 180s without any operation to save power. Area, distance, length, volume, continuous measurement, Pythagorean method-three points. Measuring range ups to 328 feet to meet your regular measuring need; Hold the U button 2s to switch unit among for M/In/Ft freely. IP54 waterproof level and dust-proof function protect the laser distance measure to the maximum extent; Portable size and hard rubber body provide a good grip; Wrist strap lets you hold the meter steady and carry easily. Specifications: Material: ABS+Silicone Measuirng Range: 100M/328Ft Size: 120x55x25mm/4.7x2.2x1 in Color: Green/Red/White/Yellow Package Includes: 1x Laser Distance Meter note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.