3 in 1 Laser Tape Measure Distance Meter 5 Meter Tape Infrared High Precision Smart Electronic Rulerupgrade: 1. One-button distance measurement, high-definition digital display: laser distance measurement, error 2mm. 2. Environmentally friendly TPR-coated shell design, tough and wear-resistant, dust-proof design, and long life. 3. Coated manganese steel tape: two scales (imperial scale, metric scale). 4. Up to 20 sets of continuous data storage, easy to read. Hook and rope design, easy to carry. 5. The tape self-locking device, the tape automatically locks the current measurement position after being pulled out, and automatically locks when the unlock button is pressed, which is safe and does not hurt hands. feature: 1. Product name: 3 in 1 laser tape 2. Material: ABS+coated manganese steel tape 3. Size: 85*82*56mm 4. Measurement accuracy: 2mm 5. Dust and splash proof: IP54 6. Maximum storage capacity: 20 groups 7. Maximum/minimum: 0.005 minutes, maximum 60m 8. Battery type: two AAA batteries (batteries not included)