● Current/average/maximum heart rate Adjust heart rate limits Out of target zone alarms One-touch button for audible alarm Calories burned Heart rate measurement with color zone LED lights LED blink in green indicates in the zone LED blink in red indicates over the upper limit LED blink in yellow indicates under the low limit Time (12 hour/24 hour) Date (day/month/year) Stopwatch Easy-to-read large display Water-resistant Comfortable ultra-slim ergonomic elastic chest belt transmitter User changeable batteries (transmitter and watch)