This ultrasonic distance meter is a versatile tool for measuring height and distances around the home or office. With a wide measuring range of up to 86 inches, it can measure everything from small objects to full-grown adults. The large, high-definition LCD display makes readings easy to view from any angle. Simply press the button to get an accurate measurement in seconds. A long-lasting rechargeable battery means you'll always be ready to take measurements on the go. Lightweight and portable, this height meter is perfect for tracking growth spurts, hanging artwork, or checking clearances. With automatic sleep mode to conserve power, it's a handy addition to any toolbox or workshop. height chart for kids，height measurement。