About this item Various functions and modes: The portable tape measure with level supports continuous measurement function, pythagorean measurement function, area measurement function, volume measurement function, addition and subtraction measurement function, digital range tool is widely used. Suitable for home, construction, industry, large areas such as bedrooms, apartments, buildings, real estate, factories, warehouses, etc. Save money : 15 seconds without automatic infrared shutdown, 45 seconds without automatic shutdown, our portable rangefinder has a 200 mAh rechargeable lithium battery with USB cable, ready to charge. LCD display: the measurement tools infrared are widely used in home and engineering decoration, construction, real estate, gardening, urban planning, hydraulic engineering monitoring and so on. The large LCD screen with backlight and multi-line display gives you more visibility in dark areas. High Accuracy: This infrared digital rangefinder provides accurate and fast measurement results to meet your measurement needs. The digital tape measure measures from 0.3m to 30.5m with an accuracy of 3mm, which is very fast, accurate and efficient. We are committed to ensuring that every level of electronic tape measure is rigorously tested before being packaged. If you have any problems, please contact us to resolve your issue. Product Details Product Dimensions (L x W x H) : 12 x 4 x 3 cm; 70 grams Spare Parts Availability : Spare Parts Information Unavailable Product Description USB Rechargeable 30m Mini Infrared Scope Finder Pocket IR Electronic Ruler D30 Backlit LCD Pythagoras Mode Measure Distance Area Volume High Accuracy: This digital IR range finder provides accurate and fast results to meet your measurement needs. The digital tape measure measures from 0.1 FT to 100 FT with an accuracy of 3 mm, which is very fast, accurate and efficient. Features: Measurement accuracy : 3 mm. Unit: m/in/ft Measurement range (without reflector): 30 D: 0.03 to 30 m. Depth: 35: 0.03 to 35 m. Measurement time: 0.3 to 3 seconds. IR type: 620 ~ 670 nm, &lt;1 mW.< /p> Automatic shutdown: 15 seconds. Automatic shutdown: 45 seconds. Lighting: white LED. Measurement reference: switching. Battery display: Battery type: D30: 200mAh rechargeable lithium battery. Net weight: about 20g. Operating temperature range: 0C to 40C. Storage temperature range: -20C to 60C. Product dimensions dimensions: approx. 62 x 21 x 15 mm. Package dimensions: approx. 120 x 40 x 30 mm. List: 1 measuring instrument. 1 wrist strap. 1 USB charging cable.