Both Fuel Cell and Semiconductor Sensor-accuracy and Fast
Both Accurate and Rapid Pump Suction Test Method
3.7V/5000 mAh Lithium Battery
Traffic Baton with White and Red Lighting Indication
Switchable Result Units(mg/l, g/l, %BAC, ‰BAC) and Temperanture Scale(℃, ℉)
Anti-backflow Mouthpiece for Health and Safety
