Key benefits Accurate speed measurements: using advanced technology and materials, the speed tester delivers readings with deviation less than 35%, providing reliable measurements for water balls, beads, and steel balls. Clear LCD display: easy to read data at a glance, even in low light. The device offers userfriendly operation and simple settings adjustments, making measurements straightforward for a variety of objects. Smartphone compatibility: supports BT connectivity for seamless data transfer and quick access to essential information on smartphones. Multilingual support enhances ease of use. Compact and portable: lightweight design with a stable tripod for stable shots. Its compact size facilitates onthego use, and long battery life supports extended field or workshop sessions. Use scenarios Quality control in bearing and ballrelated manufacturing: quickly verify speeds of different media to ensure consistent performance. Onsite demonstrations or field measurements: portable setup allows testing in workshops, labs, classrooms, or remote locations without setup complexity. Research and development testing: compare speeds across materials and configurations with convenient data transfer to mobile devices for analysis.