Blood Pressure Monitor Wrist Features: 1. LARGE LCD DISPLAY with BACKLIGHT: Easy to read large display. The back-lightmakes it easy to read even in the dark. 2. IRREGULAR HEARTBEAT INDICATOR: If an irregular heartbeat is detected theirregular heartbeat symbol will show up. 3. MEMORY FUNCTION: Memory storage with date and time stamp allows you toreview the last 120 readings with a touch of a button. 4. FAST READING: Less than 1 min response. 5. FULLY AUTOMATIC: Blood Pressure Meter provides fully automatic and easy tomeasure blood pressure and pulse after press the ON button and automatic turnoff after 1 min rest. 6. CONVENIENT TO KEEP ON HAND: BP testing machinecomes with plastic case that ensures storage's reliability; due to its compactsize you can take wrist blood pressure monitor wherever you go. Specifications:Double 99 Memory Group: For 2 peoples Operating Temperatures: 5℃-40℃,15% - 85% RH Storage Temperatures: -10℃-55℃,10% - 85% RH Supply: USB Interface or 2 x 1.5V AAA Battery(not included) Measurement Range Pressure: 0KPa-3703kpa(0mmHg-280mmHg) Pulse Rate: 40-199times/min Accuracy: 3mmHg Static Pressure: 3mmHg (0.4kPa) Pulse: Within 5% Weight: 116g Size:82mmx70mmx30mm Package Includes: 1 x Blood Pressure Monitor (not included AAAbatteries and power adapter) 1 x Cuff 1 x Handle Bag Black 1 x User Manual Accurate & Reliable: The blood pressure cuff wrist has got FDA approved and CE certified, each BP device is individually tested to ensure accuracy, providing you the most accurate blood pressure data 2 Users & 120 Memory: This blood pressure monitor supports 2 users’ data storage, each user for 60 set of data memory with date & time stamp. Perfect to keep track of your fitness and compare trends over a period of time Lightweight & Portable: Small and convenient, lightweight, one button design. Easy to operate by pressing the one key. No matter traveling or at home, monitoring at any time Large LCD Display: Automatically displays the average of your last 3 readings recorded on large LCD screen. Easy-to-read screen indicates your blood pressure level, more convenient for the elderly and the visually impaired Adjustable BP Cuff: Suitable for standard adult wrist from 13.5cm (5.3 inches) to 21.6 cm (8.5 inches). The cuff Integrated with hook-and-loop fasteners, it is ergonomically designed to provide precision and comfort during the measurement process. It is recommended for home use