The JUMPER electronic monitor with compact wrist cuff size and the included carrying case, can follow you anywhere you go making it a perfect choice for traveling people with hyper/ hypotension. Use at the comfort of your home without attaching large, clunky and uncomfortable analog monitors. It is convenient for you and your family to check the health record every day. The accurate wrist blood pressure monitor by JUMPER is a compact and comfortable device for health monitoring at any time. It is possible to measure blood pressure and heart rate by pressing just a single button. Specification: Memory: 90 records Accuracy: ±3 mmHg Wrist circumference: 135 ~ 195 mm/5.3 ~ 7.67 inch (approx) Power supply: 2 AAA alkaline batteries Measuring Range: Heart beat: 40 - 200 /minute Blood Pressure: 30 - 280mmHg Pulse rate: 30 - 160 times/minute