Engineered for high-precision timing, this experiment mechanical stopwatch is a multi-functional sports timer with a professional display stop watch layout. Easy to operate and great, it suits tasks like measuring acceleration in physical experiments, outdoor exercise, and digital sports timer activities, fulfilling users’ demand for reliability and accuracy. Features -Color:Multi -Material:Metal -Size:6.50X5.00X1.60cm/2.55X1.97X0.63in -Note: 60 seconds/lap, -High precision measurement: experience physical experiment timer accuracy with our 60s mechanical stopwatch, providing reliable timekeeping for sports timer and physics teaching mechanical stopwatch needs -Rugged metal design: as a metal stopwatch and great electronic handheld stop watches option, this device withstands frequent use in classrooms, labs, and athletic settings for longterm teaching -Intuitive operation: the handheld mechanical stopwatch is easy to start and reset, supporting teaching, physical experiment timer for workout routines, and supporting students’ hands-on learning -Multifunctional use: functioning as a workout timer for physical experiment and referee stop watch, this timer serves educators, trainers, coaches, and referees equally well -great for short experiments: its 60 seconds stop watch timer feature enables accurate observation and recording during science demonstrations, ensuring reliable results in short duration experiments Package list: 1 x mechanical stopwatch