MIO Drive+ Heart Rate Monitor Watch with Biometric Sensor Technology: * % of max heart rate based on age, gender * Measures resting heart rate for baseline * Calculates calories burned * Utilizes the 3500 Calorie Countdown * This ECG heart rate monitor watch displays the time, date and weekday * Daily alarm * Backlit display * Count-up, count-down with warm-up, walk-run and repeat timers * Water resistant to 30 meters * User-replaceable battery * Manufacturer"s warranty included - see Product Guarantee for details About MIO MIO is the world"s first ECG Accurate Strapless Heart Rate Monitor, giving you the freedom to check your heart rate whenever and wherever you want. MIO makes it easy to monitor your heart rate throughout the day as well as while exercising. No more chest straps! Just accurate and easy-to-understand biofeedback to keep you informed and in tune with your body. MIO"s motto: Move. Measure. Motivate. * ECG accurate heart rate without a chest strap * Visual indicator of exertion level * Smart Touch ergonomic sensor technology * Heart rate monitor watch without chest strap dimensions: 10.5L x 1.25W x .5H inches * Manufacturer"s warranty included (see product guarantee)