An active Cough Drop that is selectable as either a momentary (press to mute or press to talk) or latching (mic on/mic off) muting switch. Built-in status indicator light. AC power supply is included. Professional Quality Active circuitry Selectable as momentary or latching muting switch AC power supply included ASIN B00WOK8IOO Item Weight 1.62 pounds Item model number CDPM Product Dimensions 8.07 x 4.53 x 3.74 inches Is Discontinued By Manufacturer No