This handheld mechanical stopwatch is crafted to support physical experiment stop watch tasks, offering dependable timekeeping for classroom learning, physics stopwatch studies, and mechanical stop clocks operations. The device meets the demands of teachers needing electronic handheld stop watches and stop watches timer for sports, combining precision and strength. Features -Color:Multi -Material:Metal -Size:6.50X5.00X1.60cm/2.55X1.97X0.63in -Note: 60 seconds/lap, -Fine experiment accuracy: as an experiment mechanical stopwatch and running timer, this instrument delivers tiny errors and fulfills strict physics stopwatch requirements -Metal durability & reliability: the robust metal material makes it a premium mechanical stopwatch, enabling extended usage as a physical experiment timer for workout or classroom needs -Simple and practical design: easy to operate, this stop watch timer ensures efficient use in physics teaching mechanical stopwatch sessions, ideal for both students and professors -Wide range of use cases: versatile as electronic chronograph, mechanical stop clock, and sports timer, it serves science labs, sports fields, and work environments equally well -Shortterm precision: its 60s timing capability meets the demands of short yet high accuracy physical experiment stop watch applications, ideal for acceleration or scientific observation Package list: 1 x mechanical stopwatch