VEV1013 Features: * Heart rate monitor * Lens: Acrylic * Watchcase: ABS * Caseback: Stainless steel * Strap: Polyurethane * Buckle: Stainless steel * On-demand EKG accurate heart rate without a chest strap * Easy to use, easy to wear * Maximize workouts with pct of maximum heart rate based on personal data * Count up and count down timers * Full-featured sports watch including date/time/ calendar, alarm, chime, backlit display * Daily alarm * Smart touch advanced biometric sensor technology * Exercise timer modes: Count up and Count down * 12/24 hour clock with date and weekday * Minimum readable heart rate: 40 BPM * Timer: 99 hours 59 minutes * Maximum heart rate percentage: 99pct * Maximum readable heart rate: 230 BPM * Luminescent backlight: 5 second display * Operating temperature: 0°C to 40°C * Battery: Lithium type CR2032 * Expected battery life: 1 year