DescriptionThis is an arm blood pressure monitor. It is made of premium ABS material, durable to use. Provide multipurpose tool for measuring blood pressure, heart rate and pulse, large screen makes it perfect for elder to use.Features- Color: White - Material: ABS - Size: About 11.80X9.50X6.50cm/4.64X3.73X2.55in - The sphygmomanometer classification indicates blood pressure health, which is convenient for users to accurately judge whether blood pressure is normal. - 99 pairs of memory, IHB arrhythmia detection, WHO blood pressure classification. - Easy to wrap around the arm, easy to use. - Powered by 4pcs AAA batteries (not included), convenient to use. - Accurate judging arm thickness, utilize pressurize strength.Specification - Storage temperature: -20~50 - Storage humidity: 15%~90% - Operating temperature: 10~40 - Operating humidity: 40%~85% - Display: LCD digital display - Measurement method: pulse scanning method/oscillography method - Measuring range: Hypertension/Hypotension: 20mmHg~280mmHg - Pulse: (40~200) beats/min - Resolution: 1mmHg (0.1kPa) - Accuracy: 3mmHg (0.4kPa) - Pulse: within 3% of read value - Voltage: 6V (4 No. 7 (AAA) batteries, shipped without batteries) - Power consumption: 0.01 W