Application: electronic blood pressure monitor, slimming massage equipment etc. Parameter features: Model: 3401. Rated voltage 3.0V Rated current <350mA Using the voltage range 1.8 3.2V Starting Voltage <1.8V Maximum pressure> 350mmHg Inflatable time 7S (100CC container, up to 300mmHg from 0mmHg time) Tightness 3mmHg/min Gas flow rate 1.0L/min Noise 58dB Operating temperature range 0 45 °C Operating humidity range 30 80% Life 50000 times Tube Diameter 3. Dimension(mm)