SNDWAY SW-B40 Laser Distance Meter Handheld Rangefinder Digital Mini Distance Measuring Meter Indoor Rechargeable Electronic Space Measurement Device for Length Area Volume

Features:
Millimeter Precision - equipped with high-speed algorithm chip and upgraded lens, this meter delivers stable and precise measurement with accuracy of 2mm.
Capability - 0.1s quick measurement of distance, area, volume, indirect measurement through Pythagorean theorem.
Practical Functions -unit switchable among meter (m), inches (in), feet (ft); auto-shut off in 150s.
Stay Accurate - with self-calibration which allows users to calibrate the meter whenever necessary, with adjusting range from -9 to 9mm.
Rechargeable Battery - built-in rechargeable battery has a large capacity of 850mAh and can be easily charged via Type-C USB cable.
Mini Size - it's small enough to fit in any jacket or trouser pocket, widely used in interior decoration, indoor design, construction field.