Smartphone links with only iPhone 5s/5c/5/4s (with iOS8 to 9.1), iPhone 6/6 Plus (with iOS 8.1.3 to 9.1), iPhone 6s/6s Plus (with iOS 9 to 9.1)
Approximate 2-year battery life
Features 1/100 second stopwatch, elapsed time, lap time, split time
memory capacity: up to 120 records
Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving

Technical Details

Size (LWH): 4.8 inches, 3.3 inches, 2.4 inches
Product Details
Product Dimensions: 4.8 x 3.3 x 2.4 inches
Shipping Weight: 0.3 pounds (View shipping rates and policies)
ASIN : B00IOOB1RU