This is an EMG Muscle Signal Sensor Kit With EMG Electrodes Cable. Measuring muscle activity by detecting the electromyogram (EMG) has traditionally been used in medical research; however, with the advent of smaller but more powerful microcontrollers and integrated circuits, EMG sensors can be used for various control systems.
This Muscle Sensor measures, filters, rectifies, and amplifies a muscle's electrical activity and generates an analogue output signal that a microcontroller can easily read, enabling novel, muscle-controlled interfaces for your projects.

Applications:

Fitness and Exercise Heart Rate Monitoring, Portable ECG, Remote Health Care, Gaming Peripherals, Biological signal acquisition. 

EMG Muscle Signal Sensor Kit consists of

• 1 x Ecg module AD8232 heart ECG monitoring sensor module.
• 1 x Sensor cable.
• 3 x Electrode Pads.

Specification