Please note that this product does not have batteries, you need to buy 4*AAA batteries to use it, or plugged in by USB. Thank you.<br/>1.Description:<br />Arm Blood Pressure Monitor Portable Sphygmomanometer Heart Rate Alarm with Automatic Digital LCD Display Intelligent Pressurization Voice Broadcast Smart Electronic Device<br/>2.Features:<br />- Intelligent Pressurization<br />- One-button Measurement<br />- LCD HD Display<br />- English voice Broadcast<br />- Heart rate alarm<br/>3.Parameters:<br />Item name: Arm Blood Pressure Monitor<br />Color: White<br />Measurement method: Arm type<br />Measurement of wrist circumference: 22-32 cm<br />Display mode: LCD digital display<br />Memory function: Two groups of 99 memories<br />Blood pressure: 0kPa-37.3kPa(0mmHg-280mmHg)<br />Heart rate: 40/min-195/min<br />Measurement accuracy: static pressure: ±0.4Pa(±3mmHg)<br />Heart rate: With 5% of the read value<br />Operating environment: Temperature 10~40℃, humidity≤85%<br />Battery: 1.5V 4xAAA battery (Not included)<br />Product size: 12.5*10*7 cm<br />Product weight: 236 g<br />Package size: 11*10*16.5 cm<br />Package weight: 500 g<br/>4.Note:<br />There is a little of difference according to manual measurement.<br />Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.<br />*60S Automatic shutdown after no operation.<br/>5.Package List:<br />1 * Blood pressure monitor<br />1 * Arm strap<br />1 * Storage bag<br />1 * User manual(EN)