The NEW Heart Zones Blink 24 is the next generation in the Blink series of sensors. The same 3-in-1 functionality for ANT+ as the Blink 3.0 capturing heart rate, steps, and cycling cadence, plus new features: 24 hour battery life, 13 hours of onboard memory and 5 heart rate zone blinking LED lights. Sensor costs $104.00 plus shipping of $8.50.