31 facts in comparison
Dustproof/water resistant at depth equal to or greater than 1 meter.
Resistance to sweat makes it ideal for use while doing sports.
The device has an electronic display to present information to the user.
Polar RCX3 GPS
These devices will not experience water damage, e.g. in the shower. Devices which can withstand more water pressure are better for swimming or diving.
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.
This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.
A compass is useful in games, map and navigation software.
3D compass is a compass that will show accurate readings also when the compass is tilted. Therefore you don’t need to keep the compass on level ground to get steady readings.
It tracks how far you travel.
With a route tracker you can add your route onto a map. It is helpful if you plan to do the same route again, or want to share it with your community.
This feature enables you to track your route and reverse it in order to guide you back to where you began your journey.
It can detect changes in elevation, such as when you are climbing stairs.
ANT+ is a wireless protocol similar to Bluetooth Smart, and is very power efficient. It is mainly used for fitness monitoring devices such as heart rate monitors and cadence sensors to connect to other devices, eg. sports watches, smartphones and cycling computers.
An indicator shows you when the device has low battery.
The battery can be recharged and used over again.
The battery is removable and can be replaced by the user if broken.
Your tracking data is uploaded via your smartphone or computer, and is available to view on the manufacturer’s online portal in the form of reports and graphs.
It can provide you with information about the likelihood of a thunderstorm. This could be very useful to plan your day.
With a stopwatch you can time yourself.
With a world timer you can easily see the time all over the globe. It is useful if you are travelling through different time zones.
Friends using the same app can be integrated with your account, allowing you to compete with them. This increases your motivation and makes it more enjoyable.
It can provide you with the exact time when the sunset or sunrise will take place. This feature will help you to plan your day by knowing when daylight starts and finishes.