specification: Item Type: Body Measurement Device_x000D_Scope of Application: Head Circumference, Waist Circumference, Hip Circumference, Leg Circumference, Arm Circumference Measurement_x000D_Waist Measure: 1. As Long As You Pull the Tape Measure, You Can Lock the Measurement Result in a Suitable Position._x000D_2. Press the Button in the Middle to Retract the Tape Measure._x000D_If You Are on a Diet, Help Measure Your Body Shape and Check Your Progress_x000D_It is Accurate and Easy to Use, and Can Measure Any Part of Your Body: Arms, Chest, Waist, Calves, Thighs, Buttocks, Etc._x000D_As Your Muscles Grow or Decrease in the Shape You Want, Track Your Body Measurements and Progress_x000D_3. the Button Retracting and Locking Function Ensure Comfortable Measurement; It is Easy to Measure by Yourself. Features: 1Measuring tape can manage your health wisely and get accurate measurements every time. You will be able to measure your body fett content easily and accurately, so you can diet more effectively 2Easy to use, you can measure body fett comfortably at home, without the help of others, you can do it alone 3Just move the measuring ruler to the right, pinch your skin folds, squeeze the measuring claw until it is in place, and then check your results 4Small and light, suitable to fit into your gym bag, can meet your needs, you can use it with confidence 5When it comes to weight loss and muscle building, calculating fett is the most important thing. This tool has inch and millimeter marking which is easy to read PackageList: 1 x Fett Caliper 1 x Waist Measure 1 x English User Manual