The all-new PASSPORT 8500ci Plus provides blistering protection for all radar bands and ultimate laser protection with optional Laser Shifters. GPS technology allows you to lock out false alerts at the touch of a finger. Based on award-winning radar and laser detection technology, the 8500ci has four easy-to-install components and is fully compatible with ESCORT Laser Shifter Pack. The all-new PASSPORT 8500ci Plus incorporates the performance of the industry"s best windshield model, the PASSPORT 8500 X50, into a total built-in discreet defense system. The waterproof Radar/Laser sensor is mounted in the front grill, while the miniature display controller mounts easily in the vehicle"s interior. PASSPORT 8500ci Plus"s patented antenna design provides long-range protection against all known radar and laser guns, including instant-on and the elusive POP mode. The PASSPORT 8500ci Plus uses patented GPS technology to lockout false alarms, by exact location and frequency. The result is the most accurate reporting of real threats in the industry. Simply add optional Laser Shifters for the ultimate defense. These remarkable Shifters provide the ultimate defense, confusing targeting laser guns automatically once a laser signal is received. PASSPORT 8500ci Plus"s unique voice alerts provide crystal clear communications for alerts and menu options. PASSPORT 8500ci Plus comes preloaded with exclusive DEFENDER Database, which is packed with thousands of safety camera locations, including red light cameras, speed cameras and known speed traps located throughout North America. Updates to the DEFENDER Database are available through the ESCORT website. You can also add your own hot spots by using the Mark Location feature. Once marked, the PASSPORT 8500ci Plus will provide a unique alert so you"re not caught off guard. The Mark Location feature allows you to mark any location for future reference.