This is the original and the best PulseSensor Kit ! This Kit includes everything you need for a smooth development experience. When your time is money, accept no alternatives.
1 Velcro Finger Strap, a cozy fit to provide steady surface tension on the skin's surface. As well as, 4 Velcro dots to instulate the back of the PulseSensor.
4 Transparent Vinyl Dots, to insulate the front of the sensor
Braided-wire ribbon cable, that's soft to the touch and great for wearables!
1 clip-on earring clip, that's perfectly sized to the sensor. Easy to wear on earlobe.