Professional product <br />Accuracy testing <br />With memory function <br /><br />Dimension: 77 x 65 x 25mm ( do not calculate wrist band )<br />Wrist band range: about 13.5cm - 19.5cm<br />Package size: about 95 x 95 x 95 mm  <br />Wrist band size: about 29 x 8.5 cm <br />Screen: LCD digital display  <br />Measuring range: 0~280mmHg (blood pressure)， 40~199 times/minute ( pulse rate ) <br />Pressure increasing method: air pump automatically increase pressure <br />Pressure decreasing method: solenoid valve controlled <br />Error: ±3% (blood pressure)，  ±5% (heart rate) <br />Memory capacity: memorize 90 groups of data and time<br />Pressure sensor: semiconductor pressure sensor<br />Power supply: 2 x AAA batteries <br />Measuring interval: 1mmHg <br />Operating temperature & humidity: +10°C to 40°C / 40%~85%R.H. <br />Storage temperature & humidity: -20°C to 50°C / 15%~90%R.H. <br /><br />Notes:<br />- Before you take your readings， rest for five minutes. You should be sitting down in a quiet place， preferably at a desk or table， with your arm resting on a firm surface and your feet flat on the floor.<br />- Make sure your arm is supported and that the band around your arm is at the same level as your heart. You may need to support your arm with a cushion to be sure it is at the correct height. Your arm should be relaxed， not tensed. <br />- Press the ON/OFF button. Then it will automatically measure your blood pressure. <br />- When you are taking your reading， keep still and silent. Moving and talking can affect your reading. <br /><br />Note:  Although I am required by law to provide to you and obtain from you a signed written waiver of the medical evaluation for a blood pressure monitor， these over the counter blood pressure monitors， which do not require a prescription， they are not medical devices， and comply with all eBay guidelines.  Again these are over the counter (OTC) blood pressure monitors and a waiver form is not required. <br /><br />According to the FDA， it is in your best health interest to obtain a professional medical evaluation before purchasing a blood pressure monitor and you are encouraged to do so before bidding on this item. If you choose not to obtain a medical evaluation before purchasing this item， I am required by law to provide to you and obtain from you a signed written waiver of the medical evaluation. I am also required to provide to you a copy of the User Instruction Brochure for a blood pressure monitor， review the contents of that brochure with you， and allow you time to read the brochure. You must provide to me either a signed statement from a physician or a signed waiver before I will deliver this item to you. Upon your request， I will also provide to you a copy of the User Instructional Brochure for the blood pressure monitor or the name and address of the manufacturer or distributor from whom a User Instructional Brochure for the blood pressure monitor can be obtained."<br /><br /><br />1 x Blood Monitor <br />1 x Arm Band<br />1 x English User Guide <br />In paper box <br /><br /><br /><img src="http://img6.eachbuyer.com/x9/p100/bc887_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bc887_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bc887_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bc887_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bc887_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bc887_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bc887_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bc887_8.jpg" />