Product details: Dimensions: 7.56 x 6.84 x 3.1 inches (without strap) Storage conditions: -20��C to 50��C, 15% to 90% humidity Operating conditions: 10��C to 40��C, 40% to 85% humidity Display: LCD digital screen Measurement method: Pulse scanning / oscillometric Measurement range: 20�C280 mmHg (hypertension/hypotension) Pulse rate: 40�C200 BPM (��3 mmHg / ��0.4 kPa accuracy) Power: 3V Package includes: 1 x blood pressure monitor (batteries not included) Dual mode with 99 memory slots Key features: 1. Quick monitoring �C Provides systolic/diastolic readings and heart rate instantly. 2. Precise measurements �C Advanced technology ensures reliable results for tracking blood pressure changes. 3. Heartbeat detection �C Records pulse and alerts if readings exceed standard guidelines. 4. Memory function �C Stores past measurements for comparison and trend tracking. 5. Portable design �C Lightweight and easy to use anywhere.