Features: Provides accurate readings in less than 40 seconds Easy to use with just one button Stores results for 2 users with 99 readings each Measures blood pressure and heart rate simultaneously Alerts you when an irregular heartbeat is detected Large and clear screen for easy reading Automatically shuts off after 3 minutes to save power Operates with batteries or USB cable for convenience Lightweight and portable for travel or home use Comfortable and safe design with overpressure protection Specifications: Material: Durable ABS plastic Color: White Weight: 220 g Dimensions: 11.5 × 5.9 × 9.6 cm Cuff circumference: 22–36 cm Measurement type: Systolic, Diastolic, and Heart rate Measurement method: Precise oscillometric technology Power source: 4 × AAA batteries or USB cable Display: Large and clear LCD screen 3Year Warranty