Product Description: Citizen Digital CH456 Arm Blood Pressure Monitor, ideal for home use, provides fast and accurate readings using the Oscilloscope method. It features automatic shut-off to conserve battery life and a comfortable design for automatic blood pressure and pulse measurement on the upper arm. It has a clear digital display with a low battery indicator for an enhanced user experience. Device Features: Automatically measures blood pressure and pulse on the upper arm Easy-to-read LCD screen Automatic shut-off when not in use Irregular Heartbeat (IHB) indicator Memory capacity to store up to 90 readings Body movement alert to ensure measurement accuracy Specifications: Brand: Citizen Model: CH456 Power Source: 4 x 1.5V AA batteries or optional AC adapter Usage Location: Arm Display Type: LCD screen Body Movement Detection: Yes Weight: 520g Dimensions: 105 × 166 × 122 mm How to Use: Press the START/STOP button View results on the screen To turn off the device, press START/STOP or it will shut off automatically