1000000+ have been downloaded and used in daily life! Awesome and convient to use! Laser Tape Measure turns your iPhone into a Laser Measure Tape! PLEASE BE NOTICED: YOU MUST READ THE INSTRUCTION CAREFULLY AND UNDERSTAND HOW TO USE THIS APP, OTHERWISE YOU CAN NOT MEASURE ANYTHING. Laser Tape Measure the distance, length, width and height of an object quick and easily, any where in any time! Laser Tape Measure uses the camera lens height and the iPhone camera angles as parameters to calculate the width, distance and height of the object. Save your measure result in seconds with a tap. Follow the instruction to enjoy Laser Tape Measure now! ADDIITONAL NOTES: 1. To measure the distance, you must set the camera height.(The default value is set to 1.5m). The distance value shown is continuing changing because device in your hand is vibrating even you try to hold it steadily. Tap the lock button to get the fix value. 2. To measure the width or the height, you must first measure the distance. This app use the distance as the base to measure the width or the height. 3. To measure the width, you must first measure the distance. Then "tap and hold" and move the small "crosshair“, put the 2 crosshairs target at the 2 endpoints of the measuring object. 4. Practice more and understand how to use this app. Read the help section inside the app.