ITEM NAME:Height Measuring Ruler Precision Electronic Ultrasonic Measuring Instrument #gib Product Description Description: Height Measuring Ruler Precision Height Gauge Electronic Ultrasonic Measuring Instrument Fast Height Measuring Ruler Measurement method 1: 1. Let the child stand up straight and attach the measuring instrument to the top of the child's head to observe the level. Position the meter on the ground. 2. After pressing the button to hear the buzzer sound, observe the display data. Measurement method 2: 1. Pick up the tester with one hand and let the bottom of the tester close to the wall; 2. Stand straight near the wall and adjust the height of the tester appropriately. Let the tester lie flat on the top of the head; 3. The tester is fixed, the person will retreat later, press the button, After hearing the wind beep, you can remove the tester observation data. Specifications: Measuring range: 5cm-200cm Measurement error: ±0.5cm Graduation value: 0.1cm Standby current:
