Sensors for both the front and rear of your vehicle / Works with other Escort-brand Radar Detectors / # Introducing the new Laser Shifter ZR3 - the ultimate laser (LIDAR) defense system from Escort. The new Laser Shifter ZR3 is equipped with a total of three (2 front, 1 rear) laser "Shifters."* These highly sensitive transceivers detect the presence of LIDAR, and respond with a pulsed laser signal in order to "Shift" or confuse the targeting LIDAR gun. The Laser Shifter ZR3 comes complete with a comprehensive owners manual, installation instructions, two front laser transceivers, one rear laser transceiver, in-car display controller, remote Mute button, 12-volt Interface with modular connections, complete wiring harnesses, mounting hardware, and Link Cable for connecting to the Passport 9500i, Passport 8500 X50, Passport 8500, or the Solo S2. Front and Rear Mounted Laser Transceivers # Plug-in Installation using Modular Connections # Front and Rear Indication # Automatic Brightness Control # Remote Mute / Manual "Receive Only Mode" # Self-Diagnostics with Error Indication # Shift+Link compatible with 9500i, 8500, S2, 7500S & SR7