Product dimensions: 7.56 x 6.84 x 3.1 inches (without bracelet) Weight: 280 g Storage temperature: -20C to 50C Storage humidity: 15% to 90% Operating temperature: 10C to 40C Operating humidity: 40% to 85% Display: LCD digital display Measurement method: Pulse sampling / oscillometric method Measuring range: - Blood pressure: 20 mmHg to 280 mmHg - Pulse: 40 to 200 beats per minute Accuracy: 3 mmHg for blood pressure, 3% of the measured value for pulse Voltage: 3V Power: 2 x AAA alkaline batteries (not included) Package includes: 1 x Blood pressure monitor (batteries not included) - Accurate and reliable: Features advanced measurement technology with a pressure accuracy of 3 mmHg and pulse accuracy within 3% of the measured value, providing consistent and dependable readings for you and your family. - Easy to read: Equipped with a tri-color backlit LCD screen for clear visibility, even in low light. Simple one-button operation makes it user-friendly, especially for elderly users. - Effective health monitoring: Quickly measures blood pressure and pulse rate. Helps detect irregular heartbeat and supports ongoing cardiovascular health tracking.