[Portable Height Measurement in 1 Second]This stadiometer accurately measures height measurement for kids in 1 second because of ultrasonic sensor technology, making it a time-saving and efficient tool for home use. [APP Bluetooth connection to store data]The handheld ultrasonic body height meter can provide accurate height measurement for children and adults. it can easily record the height changes of children during the growth stage and take timely response measures. [Equipped with an LCD High-Definition Display] Featuring an LCD high-definition display with bluetooth , ensuring effortless readability height measurement for wall results, automatically shuts down after stopping use to save power. [Wide Measurement Range] The handheld ultrasound machine height gauge get precise height measurements for both children and adults , The measurement range is 11.8 inches-78.8 inches or 30 cm-200 cm. Display can be easily switched from centimeters to inches. Say goodbye to the hassle of managing your height chart. [Buzzer Prompt Equipped] - Every operation of height measurement for wall will receive an instant response from the built-in buzzer, enhancing user interaction.The handheld ultrasound machine stadiometer like a little is beautiful and can also be used as home decor, bedroom wall decor, playroom decor, toddler room decor. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! 2 x AAA batteries without Colour:Photo Color Material:ABS plastic Package Contents: 1 x Height Gauge 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.