1.Speech broadcasts: During Measurement from beginning to the end.                                                                                                 2.60 sets memory
3Measure scope :(20mmHg～300mmHg)Pulse number: (30～160)hops/minute
4.Accurate degree :(±5mmHg)  withi n±5%
5.Reserve transport  Temperature -20℃～55℃ Wet degree 10%RH～93%RH