The Forerunner 110 Unisex GPS Watch is a simple and convenient way to help keep a track on your training. It is easy to use, has button operated start and go function, allowing you to start your run without the complicated set up. High sensitivity GPS receiver records position, speed/pace, distance and calorie data. Firstbeat advanced heart rate-based calorie computation (with HRM only), ANT+ heart rate monitor compatible. USB interface, compatible with Garmin Connect. Water resistant up to 1m (IPX7). Automatic Time Zone. The Forerunner 110 Unisex GPS Watch has an eight hour battery life, it is also compatible with Garmin Training software. H 66, W 135, D 135 cm.