Feature: 1. Multifunction stopwatch, with fulleffect functions such as time calendar display, timing alarm, hourly timekeeping, etc. 2. The ergonomic lanyard brings you a comfortable wearing experience. 3. The back of the stopwatch is finely polished, luxurious and lowkey coexist. 4. Comes with a storage bag for convenient use and store. 5. Made of high quality ABS material for durable and long lasting. Specification: Item Type: Stopwatch Material: ABS Color: As Pictures Shown Product Size: Approx. 75.5x64x21.4mm/3x2.5x0.8in Weight: Approx. 89g/3.1oz Model: PC2002EL Stopwatch Battery: Button battery (shipped with battery) Battery type: CR2032 Battery capacity: 260mAh A key: Start/Stop, used to START or STOP running seconds in the running second function, used to adjust the value when setting time and alarm. B key: RECAL/SRET. In the running second function, it is used to read the segment timing, and when setting the time and alarm, it is used to switch the second, minute, day, month and week. C key: MODE is used to switch function modes D key (EL) is used to enable the backlight function, (Only 4 key stopwatch has this function) Package List: 1 x Electronic Stopwatch 1 x Storage Bag