Chest-strap free heart rate monitor with touch screen technology Product Information The Oregon Scientific Gaiam ECG Touch Watch is a heart rate monitor that offers an intuitive user experience and a slim design. Its directional touch screen eliminates buttons and makes it easier to track your workout the way you want, and a slim design coupled with a soft silicone strap make for a comfortable workout. The Gaiam ECG Touch Watch uses ECG technology to liberate you from wearing a chest belt - to monitor your heart rate, just place one or two fingers on the lens sensor. The Touch Watch will provide you with all the information you need about your performance in seconds. Product Features Patented touchscreen technology to conveniently view exercise data Thin design and silicone wrist strap for comfort Touch sensor ECG measures heart rate without a chest belt Alert function signals when heart rate is below or above optimal levels Stopwatch including count up function: 99h: 59m: 59s Shows current, average, and maximum heart rate readings Also features clock, calendar, and alarm functions Includes EL backlight for easy readings in low light conditions Specifications Color: Navy Blue Clock Time Format: 12/24 hour format with hour/minute Date Format: DD.MM.YY or MM.DD.YY Year Range: 2010 - 2059 Target Heart Rate Zone: 50-60%, 61-70%, 71-80%, 81-90%, 91-100% Maximum Memory: 99 records Calorie Range: 0 to 9,999 kcal Power: CR2025 lithium battery (included) Operating Temperature: 32F to 104F) Storage Temperature: -4F to 140F Note: Battery is included, but not guaranteed.