JWS-700 Wrist Digital Sphygmomanometers Tonometer Meter<br /><br />Main Features:<br />? LCD digital display bring a legible blood measurement figure.<br />? With warning message， clock and overpressure protection function.<br />? No operation in 1 minutes automatic shutdown. <br />? An irregular heartbeat measurement. <br />? Method of measurement：Non-invasive， ocsillometric blood pressure infaltion measurement at wrist for wrist circumference at 12.5-20.5cm.<br />? Powered by 2 x 1.5V AAA battery. (not included)<br />? With low battery warning at 2.2V.<br />? Battery life: Approx. 300 times measurements， varied by blood pressure level or inflation pressure.<br /><br />    Specifications<br />Specification<br />	 Type: Safety， Practical， Comfortable                                                  <br />                        For: Adults                                                  <br />                        Material: Plastic                                                  <br />                        Occasion: Home                                                  <br />                        Current Showing Memory: Less than 10mA                                                  <br />                        Over-votage Protection: 290mmHg                                                  <br />                        Shutdown Current: Less than 100 Microamp                                                  <br />                        MCU Operation Voltage: 4.0V                                                  <br />                        Max. auto-pressure: 285mmHg                                                  <br />                        Display Range: 0-300mmHg                                                  <br />                        Measuring Range: Systolic， diastolic 40-180 mmHg， pulse 40-200 beats / minute                                                  <br />                        Measuring Accuracy: +/- 3 mmHg                                                  <br />                        Measuring Uncertainty: +/- 8 mmHg                                                  <br />                        Auto Power-off Time: Memory mode， no measurement for 30s; ERR mode， no mearurement for 120s; Measurement end for 120s                                                  <br />                        Cuff Size Wrist Circumference : 12.5 - 20.5 cm                                                  <br />                        Storage Temperature: - 10 C to + 50 C， less than or equal to 85 percent RH                                                  <br />                        Operating Temperature: + 10 C to + 40 C， less than or equal to 85 percent RH                                                  <br />                        Color: White                                                	<br />Dimension and Weight<br />	 Product weight   : 0.130 kg                                                  <br />                        Package weight   : 0.400 kg                                                  <br />                        Product size (L x W x H)   : 7.4 x 8.5 x 8.5 cm / 2.91 x 3.34 x 3.34 inches                                                  <br />                        Package size (L x W x H)  : 15 x 12 x 10 cm / 5.90 x 4.72 x 3.93 inches                                                	<br />Package contents<br />	 Package contents: 1 x Blood Pressure Monitor， 1 x Carry Box， 1 x English User Manual                                                	<br /><br /><br /><br />                                                                                            <br />