1、Wide measurement methods, support multiple measurement modes, and automatic measurement. 2、Easy to use, high‑definition laser display indoor and outdoor, very convenient. 3、Multiple data storage functions make recording more convenient and avoid data omissions. 4、Durable, made of high‑quality ABS material, long service life and can be used for a long time. 5、Wide range of use, it is suitable for decoration, construction, surveying and mapping, ranging, etc. Item Type: Laser Distance Meter Material: ABS Model: SW-100G Battery: 1.5V 3xAAA (not included) Uses: Decoration, construction, surveying and mapping, distance measurement Item SW-100G Measuring range100m / 328.1ft Distance measurement accuracy ±2mm Continuous measurement function √ Area measurement √ Volume measurement √ Pythagorean measurement function Full mode Plus and minus measurement function √ Area and volume addition and subtraction √ Maximum/Minimum value √ Self-calibration function √ Voice broadcast √ Laser class II Laser type 500-535nm, ＜1mW Number of stored records 99 Automatically cut off the laser 20s Automatic shutdown 150s Full power working time 8000 times Voice prompt √ Storage temperature range -20℃~60℃ Operating temperature range 0℃~40℃ Storage humidity range 20%~80%RH Inclination measurement range ±90 Angle 1 x Laser Distance Meter(Battery Not Included) 1 x Reflective Board 1 x Lanyard 1 x Carrying Bag 1 x Manual