●HIGH ACCURACY: With laser precision technology and 2 Bubble Levels, accuracy ups to ±1/16inch, measuring distance extends to 328 ft; Switchable among M/In/Ft for free adjustment. ●MULTIPLE MEASUREMENT FEATURES: Distance, area, length, volume, continuous measurement, Pythagorean method-three points; Low battery indication; 30 groups data memory; Manually delete data; Auto shut down after 150s without any operation to save power. ●MUTE SETTING: Large backlight screen provides you with a better visibility in dark areas; Mute setting allows you turn on or off the measure beep at your will, suitable for using in library, classroom and other quite places. ●DURABLE DESIGN: IP54 waterproof rating and dustproof function for maximum protection of laser ranging; Compact size design and non-slip rubber body provide good grip; the wrist strap allows you to hold the meter stably and carry it easily ●WHAT YOU GET: Laser Measuring Device 328Ft; Portable Bag; User Manual; Hand Strap; Package Box ●Laser Measure 328ft,Laser: Class 2, maximum laser output <1mW