Do you still measure with a traditional tape measure? Are you annoyed by the lack of length and limited measuring distance of ordinary tape measures? Ordinary tape measure can't lock a certain position, are you worried about being cut by the tape measure? This 2 in 1 laser tape measure changes everything Tape measure + laser rangefinder5m tape measure + 40m laser measure, the measurement accuracy can reach 2mm; this combination is useful whether measuring the length of one side of the room or the length of a pen Powerful and rich functions: you can switch between different units such as meters/ feet/inches to meet your various habits; One-key distance measurement, continuous distance measurement, automatic calculation of area, volume, Pythagorean theorem, etc. ; switchable measurement base; Meet all your measuring needs Every detail makes you happy: Equipped with an anti-lost wrist strap to prevent the tape measure from slipping when measuring; Unlike ordinary laser tape measures that use dry batteries, this laser tape measure uses USB charging and comes with a USB charging cable; the tape measure Clip design on the back, can be hung on the belt or anywhere, easy to carry Make us different: Auto-lock function allows you to measure safely without worrying about the tape measure suddenly retracting; the tape measure has two scales, which also takes into account the user's habit of measuring with a tape measure