99sets of storage( 2 people),IHB arrhythmia detection, WHO blood pressure classification. Intelligense pressurize, live nonvoice (optional)Measurement mode:oscillometric method. Measurement range. pressure range:0-37.3kpa(0-280mmhg). Pulse range:40-199 times/min. wrist band display range:0-39.9kpa(0-299mmhg) static pressure:Â±0.4kpa(Â±3mmhg) pulse:within Â±5% resolution:0.1kpa power supply:DC6v(1.5v four AAA batteries,Don't include the battery orage temperature and moisture:temperature:-10-55Â°C moisture:10%-85%RH Using temperature moisture:temperature:5-40Â°C moisture:15%-85%RH. Order it today at Jambo Shoppe and have it delivered to your doorstep.