Go Direct* Motion Detector, uses ultrasound to measure the position, velocity, and acceleration of moving objects, Maximum data collection rate: 30 samples/s, Distances measured from 15 cm to 2.5 m, Temperature compensated, 1/4-20 threaded hole, 1.5 m USB cable
Baseline* Windmill Type Spirometer, Compact, lightweight spirometer for screening large populations, Indicator registers forced vital lung capacity up to 7 liters, Comes with 50 plastic mouth pieces, Dimensions: 3.5 X 3 X 3.5 in, Weight: 2 lbs