Allows compatible detectors to be directly plugged into fuse box for a simple & clean installation, easier control & added functionality; Mute button allows user to mute the alert & for GPS models to activate mute memory (user presses 2x); Alert LED will blink when alert is received; Power LED will light up when powered on; Compatible with Uniden(R) detectors R1, R3, DFR6 & DFR7; Includes VELCRO(R) tape & T-Tap electrical connector;