The pink Cobra HE150P 16-Mile 2-Way Radios provide ultra-clear long distance reception. 1 button selects from the 2 available channels while the volume knob allows you to adjust volume easily. The power saver circuitry extends battery life, and if there are no transmissions within 10 seconds, the unit will automatically switch to battery saver mode. Call alert provides an easily recognizable alert for incoming calls. The roger beep confirmation tone indicates the completion of the user’s transmission and signals to others it is clear to talk.