Features: Classic design, ABS + TPU housing, comfortable and durable, resistant to fall off. User-friendly slippery-resistant texture design. Concave design at the bottom can make it stand steady on uneven ground. Designed with 1/4inch threaded holes which can be mounted on a tripod. Designed with bubble level, making measurement more accurate. LCD backlight reverse video screen, reading is more clear and bright; IP54 dust proof and splashing proof level; Single time measuring 0.3S, continuously measure 7 times in 1S. 2mm accuracy, stable and reliable measurement. Specifications: Model T100 Measuring Range 0.05-100m Measurement Accuracy ±2mm Laser Level Class 2M II Laser Type 620-690mm,<1mw Operating Temperature 0℃to +40℃ Storage Temperature -20℃to +70℃ Battery Type AA LR6 2*1.5V(NOT included) Laser Auto Shut Down 30 seconds Automatically Power Off 3 minutes Area & Volume Measurement Support Add and Minus Support Tracking Measurement Support Maximum and Minimum Value Measurement Support Four Row Display Support Pythagorean Theorem Support Backlight Display Support IP Rating IP54 Buzzer Support Size 12*5.5cm/4.7*2.2in Weight 215g (approx.) Package Includes: 1 x Range Finder (batteries are NOT included) 1 x Bag 1 x Wrist Cord 1 x Manual 1、Classic design, ABS + TPU housing, comfortable and durable, resistant to fall off. 2、User-friendly slippery-resistant texture design. 3、Concave design at the bottom can make it stand steady on uneven ground. 4、Designed with 1/4inch threaded holes which can be mounted on a tripod. 5、Designed with bubble level, making measurement more accurate.