Piezo Switch This device can easily be activated with the smallest of muscle movements, such as raising an eyebrow or clenching a jaw. The sensor can also be activated by a temperature change caused by breath or touch. An adjustable sensitivity control enables the sensor to discriminate between random movements and purposeful ones while still detecting the slightest movement. An adjustable delay allows the user the needed time to prepare for their next action. This round touch sensor comes with mounting straps. Sensing range at touch. Size of 1/16 H x 3/4 Diameter in. Includes the PCM3 power control module More information about the switches that we sell | 
