Features The EMG sensor is used to measure muscle activity by detecting the electromyogram (EMG). The muscle signal sensor is traditionally been used in medicine research. Electromyography circuit and sensor can be used in a variety of control systems. EMG power supply continues to emerge with shrinking but more powerful microcontrollers and integrated circuits. This muscle signal sensor is designed specifically for microcontrollers, convenient to use. Specification:Condition: 100% Brand New Item Type: EMG Sensor Material: Semiconductor Send Data: Compatible for breadboard Power Supply Voltage: + -9V dual power supply, minimum + -3.5V Product Size: Approx. 25 x 26 x 10 mm / 0.98 x 1.02 x 0.39 in Weight: Approx. 40g / 1.4oz Package List:1 x Muscle Sensor Board1 x Professional EMG Cable3 x Disposable Surface Electrode Package List 1 x Muscle Sensor Board 1 x Professional EMG Cable 3 x Disposable Surface Electrode