Features: 1. Build Confidence: The timely feedback of growth figures can make children fall in love with sports and become lively healthy 2. Easy to Use: The high jump counter is simple to operate and very easy to understand. Even a small child can fully understand how to use 3. Mark-free installation: It does not need to be drilled on the wall to install. There will be no marks on the wall when changing places. Describe: Product Name: High Jump Counter Main material: ABS Specifications: 3 No. 7 power supply (need to be provided by the customer) Weight: about 91g Size: 18.3*17.7*6.3cm Service life: more than 10 years Counting range: 0-99999 Kind tips: 1. Due to the color temperature of the display camera ambient light and photography skills the pictures of some products may have a slight color difference and the color is subject to the actual product! 2. Please allow slight size difference due to different manual measurements. packing list: Counter*1 includes: packing list: Counter*1