Features: The watch battery pulse tester is a multifunctional tool designing for efficient watch repair, integrating battery testing and pulse measurement to ensure optimally movement performances. Featuring advanced measurement technology, this tester accurately evaluates the battery power and performances state of watch movements, enhances portability and ease of use. For professional watchmakers, watch enthusiasts, and electronics repair technicians, this tool provide precise diagnostics essential for maintaining and repairing timepieces. Perfect for professional repair shops, garages, and training courses, the qd20 offers reliable service in battery testing and movement evaluation, ensuring watches remain in excellent working condition. With its clear display and rapid response capabilities, the watch tester delivers real time result, enhancing efficiency and safety with builtin overloading protective, making it a valuable addition to any watch repair toolkit. Specifications: Component:Plastic Size:Approx.10.5x8cm/4.13x3.15inch Battery: 2pcs AA batteries (not included) Package Includes: 1 Set Watch Repair Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.