3-in-1 Infrared Laser Tape Measuring--Our 3-in-1 Infrared Laser Tape Measuring Includes A Laser Ranging Meter, 5m Tape Measure, And Laser Cross-Marking Tool. Effortlessly Measuring High Ceilings And Other Hard-To-Reach Areas With Just The Touch Of A Button. With Self-Locking Device--This Laser Tape Measure Cross Laser Line Has A Self-Locking Device, Which Automatically Locks The Position After The Tape Is Drawn Out. Automatically Retracts By Pressing The Unlock Button. Accurate Measurement--3-in-1 Infrared Laser Tape Measuring Can Be Used For Measuring Foundation And Foundation Levelness, Installing Construction Equipment, Precision Testing, Testing Bearings, Checking Automation And More. With Data Storage--3-in-1 Infrared Laser Tape Measuring Has A Storage Function Inside. Can Store Up To 20 Sets Of Data. It Can Be Called Up For Viewing And Storage At Any Time. You No Longer Have To Worry About Not Being Able To Find Recorded Measurement Data Or Losing Data. Convenient to Use--This Tape Measure With Laser Can Measure Area, Volume And Pythagorean Single-Time/Continuously. At The Same Time, It Has High Elasticity And Toughness, ABS+TPR Shell, Non-Slip And Drop-Proof. Specifications: Package size: 12.50*12.50*6.00cm Material: ABS+TPR shell Size: 82 * 85 * 56mm Three in one function: laser rangefinder, 5m tape measure, and laser cross marking tool Features: The tape measure has a self-locking function, which can automatically lock in place after the tape extends. You need to press the unlock button to retract it Package includes: 1*Laser Tape Measure Note: 1. Due to the lighting effects and shooting angle, there is a colour difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size.