DescriptionIf you are looking for a durable and affordable sphygmomanometer, your research is here. That's because the product meets your needs. High durability, not easy to break. Will be a good choice for you. It can be given as a gift to your parents and grandparents.Features-Material: ABS-Battery: 4 x AAA batteries (Not included) - Intelligent automatic pressurizing and decompressing. It is very useful.- Systolic blood pressure, diastolic blood pressure and heart rate can be measured simultaneously.- With automatic memory function, large capacity memory storage. It can help you a lot.- With terrific craftsmanship and light weight, bring you satisfied using experience.- Adoption of simple and convenient design, this product also can be used for a long time.Specification- Display mode: LCD digital display - Measuring range: blood pressure: 0Kpa~37.3pa (0mmHg~280mmHg)heart rate: 40times/min-195times/min - Measurement accuracy: static pressure: 0.4pa(3mmHg) - Heart Rate: within 5% of the read value - Resolution: 1 time per minute - Inflating Method: automatic inflation - Memory Function: Double sets of 99 memories - Automatic Shutdown: Automatic shutdown without operation in 30 seconds. - Operating environment: temperature: 0-40; humidity: less than 85% - Measurement Method: Oscillographic method- Storage environment: temperature: -20-55; humidity: 10%-93%