1. High precision – Using advanced laser technology, it achieves an accuracy of ±0.3 - 50m, with a measurement precision of ±1.5mm and an increased measurement distance of up to 50m. It allows free switching between M/In/Ft units. It is equipped with 2 unique bubble levels, enabling more accurate measurements compared to traditional bubbles. 2. LCD illumination and mute settings – The large illuminated display ensures better visibility in dark places. With the mute function, you can turn the beep on or off, making it suitable for use in quiet places such as libraries and classrooms. 3. Multiple measurement functions – It supports area, distance, length, volume, continuous measurement, Pythagorean theorem (three - point measurement), addition and subtraction operations. It also features a low - battery indicator, can store 99 sets of data, allows manual data deletion, and automatically shuts down after 150 seconds of inactivity to save power. 4. Durable and practical – The IP54 waterproof and dustproof function provides maximum protection for the laser rangefinder. Its portable size and hard - rubber body ensure a good grip, and the hand strap allows you to hold the device firmly and carry it easily.