Attach the device to a wall at a suitable height, and it’s ready to use. To measure height, pull the tape down until it reaches the top of the head, then read the measurement. This tool is for parents, teachers, and healthcare who reliable way to measure height. Features -Color:White -Material:ABS, Iron -Size:15.00X11.50X3.50cm/5.89X4.52X1.38in -Versatile use: designed for both children and adults, this retractable wallmounted height meter is for family use or settings -Precision measurement: achieve highly accurate height readings with a precision , ensuring you get the most exact measurements possible -Wallmounted convenience: the included wall plate allows for easy installation on any wall, keeping the device secure and out of the way -Extended range: measuring up to , this height measurement tool is suitable for a wide range of users, from young children to tall adults -Effortless operation: the device automatically measures height when you stand in front of it, simplifying the process and making it accessible for all ages Package list: 1 x Height Meter