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Home Spirometer Testing Device with Bluetooth APP for smart asthma monitoring
Convenient to switch between 2
hole 28x22mm Module Size: 92x52x36mm Connection: Red Line: Positive power supply + Black Line: Negative power supply - Blue Line: Positive motor + Yellow Line: Negative motor - Note: Please do not switch direction while high speed running
long enough for hang on everywhere you want
etc at the same time
FKG LM8UU Linear Bearing 8x15x24mm, Set of 10 auspowers_batchtwo Home Spirometer Testing Device withFKG LM8UU Linear Bearing 8x15x24mm, Set of 10 10Pcs LM8UU Linear Ball Bearings Product Features Quantity: 10Pcs LM8UU Linear Ball Bearings Size: FKG LM8UU Linear Ball Bearing Bore Diamter (dr): 8mm, Outer Diameter (D): 15mm, Total Length (L): 24mm Quality: FKG Linear ball bearings are made of high quality bearing steel
