Diameter: 43.6cm Thickness: 13cm. Weight: 40gr. Time. Date . Alarm . Heart rate. Calories burned. Recovery-time . Fitness test. Duel comfort heat rate belt . Movestick mini. Advanced heart rate functions. Adapting training plans. Automatically adapting exercise programs for fitness, weight or free training. Motivational messages. Compatible with Suunto PODs. Speed and distance tracking with optional Sunnto PODs. Compatible with Movescount.com. User changeable battery . Menu in nine languages