Easy Installation: Designed with a strong wall-mounted suction cup and powerful double-sided foam adhesive, the vertical jump tester is easy to install on multiple surfaces such as glass, tiles, boards, or walls. This versatility allows for its use in a wide range of settings, accommodating different environments and ensuring convenience. Durable Material and Reset Mechanism: Constructed from sturdy ABS material, the vertical jump tester is built to withstand regular use without easily damaged. The design includes a reset lever on the markers, allowing for quick and convenient resetting after each jump, ensuring accurate measurements. Enhance Training and Foster Resilience: The vertical jump tester is a valuable tool for helping children improve their vertical jump, enhancing their physical agility, and motivating them to challenge themselves. It not only aids in physical training but also cultivates a resilient mindset and a desire for self-improvement. Convenient Measurement and Adjustable Height: With a length of 25cm, the vertical jump tester features corresponding markers for each centimeter, making it easy to measure vertical jumps accurately. Additionally, the installation height is adjustable, catering to children of various age groups and ensuring suitability for different skill levels. Child-Friendly Design: Featuring a cute and appealing duck shape, the vertical jump tester is particularly suitable for younger children (above three years old). Its adorable design makes it a perfect fit for home use, as well as in kindergarten or elementary school playgrounds, adding an elements of fun to their physical activities. Colour:As Shown Material:ABS Package Contents: 1 * Vertical Jump Tester 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.Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 203 hours Hope you have a pleasant shopping experience!