Never used MyZone Complete Kit for Gyms. Includes MZ Receiver, Programmable Wireless keyboard, power cable, power supply and 7 Brand New MZ-3Belts A state-of-the-art heart rate monitor designed to keep your gym members in their optimal workout zone. This system provides real-time heart rate data to ensure your members are pushing their limits safely. Whether your members are on a treadmill, cycling, or lifting weights, this heart rate monitor system is their reliable partner for an effective and efficient workout.