Digital Stopwatch Electronic Digital Sport Stopwatch Timer Waterproof Non Slip Referee Timer for Competitive Game

Feature: 1. 10 memory, 1 100 timing, perpetual calendar countdown, metronome, 4 alarm clocks, ultrasonic large digital display. 2. Waterproof and drop proof design, it can also be used in the rain, (life waterproof, please do not use it directly in the water). 3. Three adjustment control keys, easy to operate. 4. It is suitable for all kinds of competitive games or scenes that require timing in life. 5. It can display hour, minute, second, day of the week, etc. Specification: Material: ABS Size: about 7.9*6.2*2.0 cm Rope length: about 54.5 cm 21.4 inches Battery: High capacity 2032 button battery Package List: 1*Time