The SmartCord MuteDisplay accessory is a unique power cord with a power-on indicator, an alert lamp that warns you of radar and laser, and a convenient mute button right on the lighter plug! It's the perfect addition for any car when reaching the detector's mute button on the windshield is a stretch. Also, for discreet night driving, put your Escort/Bel detector in the dark mode, and use the SmartCord MuteDisplay for visual alerts. Other drivers won't know you have a detector. .