specifications Product Name: Ultrasonic Precision Height Measuring Instrument Product Material: ABS+Stainless Steel Product size: 5.5 × 5 × 23 cm ≈ 2.16 × 1.96 × 9.05 in Description: Ultrasonic measurement technology: This height measuring instrument uses advanced ultrasonic technology for distance measurement, ensuring the safety of both children and adult users. Ultrasonic technology is not only precise and reliable, but also easy to operate, suitable for daily household use. High precision measurement: The instrument is equipped with a high-sensitivity ultrasonic sensor, which can achieve millimeter level precision measurement and ensure the accuracy of each measurement result. Whether it's monitoring children's growth or recording adults' height, reliable data support can be provided to help you better monitor and manage height changes. Portable design: The measuring instrument is compact in size, lightweight, and easy to carry or store on the go. Its streamlined design is not only aesthetically pleasing but also conforms to ergonomic principles, providing comfortable grip and easy operation. Whether used at home or traveling, it can easily meet various measurement needs. Digital display screen: The display content is clear and bright, making it easy to read measurement results even in low light environments. The display screen supports switching between metric (centimeters) and imperial (inches/feet) units, meeting the usage habits of different users. Multi functional use: In addition to height measurement for children and adults, this ultrasonic measuring instrument can also be used for height measurement in other scenarios, such as furniture size, pet height, etc. Its versatility and flexibility make it an essential practical tool for families, bringing more convenience to your daily life. Product List 1 * Height measuring instrument