decoration, construction and industrial. 【High Performance】High sensitivity focusing lens, high quality, low power consumption and long serve life. One-click easy operation. High-definition backlit digital display, error±2mm, accurate to 0.001m. Supporting data storage. 【4 Measurement Modes】Laser tape measure support length, area, volume, and Pythagorean measurement modes. Convenient for different requirement, time and effort saving for working. 【Auto Lock and Auto Retract】The tape self-locking device automatically locks the current measurement position. Press the unlock button to automatically retract the tape, which is safe and does not hurt your hands. 【Baseline Compensation】Makes every measurement is accurate. Top measuring: Take the outer surface of the ruler hook as the 0 scale reference point. Hook measuring: Take the inner measuring surface of the ruler hook as the 0 scale base point. After the ruler hook is withheld, it will move backwards and retract a small amount. The retraction length is the thickness of the ruler hook.  【Durable Material】Electronic tape measure laser made of eco-friendly TPR rubber shell, b, wear-resistant and dust-proof. Coated manganese steel ruler tape with imperial and metric scales. Specifications: Color: Yellow Laser measurement distance: 40m/131ft Battery: 300mAh Li-battery Operational current: Less than 70mA (Laser on, in non-measurement mode) Laser: Measuring range: 0.05m-40m/131ft Accuracy: ±2mm/0.078in Units of measurement: m/in/ft Laser type: 650nm Operating temperature: 0~40℃/32~104℉ Storage temperature: -20~60℃/-4~140℉ Tape Measure range: 0-5m/0-16.4ft Minimum scale: 1mm/0.039in Tape width: 19mm/0.75in Unit: Metric and Imperial Material: 65 manganese steel Packing List: 1 * Tape measure 1 * User manual(English) Brand: Fawoonu Manufacturer: Fawoonu Manufacturer Part Number: Tape Measure Tool Assembled Product Weight: 0.87 lb Assembled Product Dimensions (L x W x H): 5.12 x 4.33 x 2.76 Inches