Features:
High accuracy and wide measuring range up to 40m.
Quick measurement of distance， area and volume with one button operation.
Automatic calculation of area and volume.
Indirect measurement by Pythagorean theorem.
Min/Max distance tracking (display value).
Easy addition/subtraction of measurement.
Set up front / rear benchmark.
Switchable among metre (m)， inch (in)， feet (ft).
Easy targeting with bright laser pointer.
Large LCD with backlight.
Display illumination and multi-line display(4 lines).
99 data records and recall function .
Bubble level equipped as a spirit level tool.
Auto correction and error report technology.
Low battery indication.
Automatic / manual power off function.
IP54 protection (dust !#!amp!*! splash proof).
Compact and handheld design， portable and convenient.
Widely used in construction and industries， especially in large areas such as rooms， apartments， buildings， real estates， factories， warehouses， etc.

Specifications:

Distance measurement precision	±2mm
Measurement unit options	mm / in / ft
Single/Continous measurement function	yes
Outdoor target reflection board	no
Area measurement function	yes
Volume measurement function	yes
Pythagorean proposition measurement function	full mode
Add and subtract measurement function	yes
Min/Max value	yes
Data store/ recall function	yes
Max storage	99 units
Data hold / Data clear function	yes
Level bubble	yes
Automatic backlight	yes
Buttons/Keys sound	yes
Laser level	II
Laser type	635nm， 1mW
Automatically cut off laser	20s
Automatic shutdown	150s
Storage temperature	-20~60°C / -4~140°F
Working temperature	0~40°C / 32~104°F
Storage humidity	RH85%
Battery	3 * 1.5V AAA alkaline batteries (Excluding)
Product size	Approx. 11.8 * 5.4 * 2.8cm / 4.65 * 2.13 * 1.1in
Product weight (Excluding batteries)	Approx. 129g / 4.54oz
Package size	Approx. 18 * 13.5 * 6.5cm / 7.09 * 5.31 * 2.56in
Package weight (Excluding batteries)	Approx. 266g / 9.37oz