Features: Simple design: The blood pressure monitor is hassle free to use, no assembly or installation required. Plug the arm cuff tube in, and power it on using 4x AAA batteries or a USB type c cable, and off you go. digital LCD display with large font, friendly to senior users, or people with vision difficulties The blood pressure monitor can support 2 users and can store up to 99 readings for each user. Easy to use, quick measurement by simply press one button without another person's help. Highly accurate, on par with Sphygmomanometer and sphygmomanometer blood pressure monitor devices widely used in clinics. Measures much faster than traditional blood pressure monitor. Small-sized and lightweight, portable design, easy to carry around. Suitable for users of all age groups. Dual power supply mode: 4 X AAA batteries or a USB type-c port(NOT INCLUDED). Functions: Blood Pressure Indicator, hypotension or hypertension Battery low voltage sign Memory Icon Groups of User Indicator of Average Value Voice Icon (Indicate if the voice output is enabled) Memory Group Pulse Display Number Specifications: Display Mode: LCD Digital Display Measurement Range: Pressure: 20~280mmHg (0kPa-37.3kPa) Pulse: 40~199 bpm Accuracy: Pressure +/- 3mmHg, Pulse: Within +/- 5% Resolution: 1mmHg (0.1kPa) Power Supply: DC 5V Storage and transport conditions:-20~55,10%~93%RH Operating environment:5~40,15%RH~80%RH Weight: 262g Dimensions: 127 x 93 x 73mm Package Includes 1 x Premium Blood Pressure Monitor 1 x Arm cuff medium (22 cm-32 cm) 1 x Blood Pressure User Manual 1 x Pouch for travel