SZKIA RAK283 Arm Type Home Electronic Automatic Hypertension Measuring Instrument Sphygmomanometer, With voice

1.Name: Arm type automatic electronic sphygmomanometer
2.Display mode: LCD liquid crystal display
3.Measurement method: oscillometric method
4.Measuring range: Pressure: 0~280mmHg Pulse rate: 40 times/min~199 times/min
5.Accuracy: Pressure: ±3mmHg Pulse rate: ±5%
6.Power: USB DC6V or four 7th battery
7.Normal working environment: Temperature 5~40°C Humidity ≤80%RH
8.Transportation and storage environment: Humidity -20~55°C Humidity 10%~90%RH
9.Arm band measurement range: 22cm~32cm
10.Weight: about 410 grams
11.Dimensions (host): about 116×96× 60mm
12.Safety Classification: Internal Power Type B
13.Pressurization method: Pressure adjustment mode of vibrating plate pump
14.Quick exhaust mode: Extreme speed exhaust valve opening method
15.Pressure detection: semiconductor pressure sensor
16.Pulse Detection: Semiconductor Pressure Sensor