Multifunctional High Precision Laser Distance Meter Digital Area Volume Rangefinder Range Measure Tape Test Tool Feature:Four measuring units: m (meter), ft (foot), in (inch), ft+/in (foot-inch -1/16)Optical focusing lens: fast measurement speed, low power consumption and long service lifeMultiple measurement modes: solve daily measurement needs in all directionsSingle measurement: short press the blue button to emit laser once, and the rangefinder displays the measured lengthContinuous measurement: long press the blue button to continuously emit laser, and the rangefinder refreshes the minimum value A: the maximum value B and the current value C in real timeVolume measurement: short press the mode selection method to enter the volume measurement mode, measure the length, width and height, and the rangefinder automatically calculates the volume.Area measurement: short press the mode selection method to enter the area measurement mode, measure the length, width and height, and the rangefinder automatically calculates the area.Pythagorean measurement: Enter the Pythagorean measurement mode, measure the lengths of A, B and C according to the prompt, and the distance meter can automatically calculate the vertical distance between A and B..1P54 protection: effectively prevent dust from entering the machine to affect the work and prevent splashing water from causing damage to the machineAutomatic voice broadcast: easy to record without distractionSpecification::Benchmark: Front/Back BenchmarkDimension: 116*54*24mm/4.6x2.1x0.9inRanging: 50-120m/164-393.7ftProtection: 1P54Error: 2mmPower supply: basic model: 3 AAA batteries (excluding) /USB charging model: USB chargingDisplay: 1.8in/2.4inType: Basic/Precise/USB ChargingNote:The USB charging model has voice broadcast, the display screen is 2.4 inches, and the dry battery model has no voice broadcast. The display screen is 1.8 inchesDue to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. Included1 x Laser Distance Meter1 x Manual