Easy-to-use button operated High sensitivity GPS receiver with Hot Fix Records position speedpace distance & calorie data USB interface compatible with Garmin Connect Water resistant up to 1m IPx 7 Built-in rechargeable lithium-ion battery up to 8 hours battery life in training mode up to 3 weeks in power save mode Weight 52 g Let nothing get in the way of you & your run the easy-to-use Forerunner 110 sport watch tells you how far & how fast youve gone. It is GPS-enabled to accurately record your time pace distance & calories burned. Theres no setup required so you can just press start & run or walk with it. Once your workout is done upload to Garmin Connect to store & share your data see the route you travelled on a map & even create goals. This is GPS made simple