Features:

1. Single measurement; length measurement

2. Area measurement; volume measurement

4. Indirect measurement of Pythagorean theorem

5. Plus and minus measurement function

6. Waterproof, dustproof and drop-proof

7. Millimeter accuracy

Specification:

Working Range: 40m

Distance measurement precision: +/-2mm

Measurement unit options: m/in/ft

Continuous measurement function: yes

Outdoor target reflection board: no

Area measuremen function: yes

Volume measurement function: yes

Pythagorean proposiyion measurement function: full mode

Add and subtract measurement function: yes

Min/Max value: yes

Max storage: 30units

Automatic backlight: yes

Laser Level: II

Laser Tvpe: 635nm, <1mW

Automatically cut off laser: 20s

Automatic shutdown: 150s

Storage temperature: -20'C-60'C

Working Temperature: -0'C - 40'C

Storage humidity: 20%-80%RH

Battery: 1.5V 2xAAA

Battery life: 8000 times for single measurement.

Weight:110g

Dimension: 112x50x25/mm

Packing: 

1xdistance meter

1xblack soft bag

1xenglish manual