This BP Machine is a fully automatic Digital Blood Pressure Monitor device that enables a high-speed and reliable measurement of Systolic and Diastolic Blood Pressure as well as the pulse through the Oscillometer method. Features: USB power source Large display Support 2 users Irregular heartbeat Care: Don't place the cuff over the wound part Too frequent measurements can cause injury to the patient due to blood flow interface Don't attempt to repair or service the product This monitor is intended to be used by adults only Don't use the batteries and the AC adapter to provide power at the same time Avoid eating and smoking before measurement Remove any garment that fits closely to your upper arm A loose Cuff or a sideways protruding air pocket causes false measurement values Remain seated quietly for at least 2 minutes before you begin the measurement Additional Info: Model number: BPCBOA-3H Warranty: 12 months Dimensions: 12 x 10 x 16 cms Weight: 382 gms Includes: BP monitor, 4 AAA batteries, User manual, Carry pouch, Cuff