Specifications: Weight and Dimensions Battery lifetime: Up to 10 hours (GPS Mode). Display size: 22x25mm. Display resolution: 144x168. Thickness: 11,5 mm. Weight: 50 grams. Strap length: 230 mm. Location Location: GPS + GLONASS. Location boost: via PC. Sensors Sensors (internal): Indoor Tracker, Compass. Water Resistance Waterproofing: 50m / 165 feet (5 ATM). Measurements Pace/Speed: Yes (Cadence/Speed Sensor - Optional Accessories). Distance/Calories: Yes. Steps: No. Heart Rate: Yes (Heart Rate Monitor- Accessory Included). Cadence: Yes (Cadence/Speed Sensor - Optional Accessories). Activities Indoor Running: Yes. Outdoor Running: Yes. Cycling: No. Dedicated Bike mount: No. Swimming: No. Training Race: Full screen. Goals: Full screen. Zone: Full screen. Laps: Full screen. Intervals: Full screen. Supported languages Languages: English / Spanish / German / French / Italian.