The Whistler 1640 includes Whistler's easy-to-understand Real Voice™ technology, and also provides digital compass headings. The 1640 also features with an icon display that is easy to read, along with 3 city modes, and a Stay Alert feature. A signal strength indicator is also provided for radar bands. The Whistler 1640's Real Voice™ alerts feature provides a real human voice to describe the band detected so that you don't have to look away from the road. The Whistler 1640 responds to all types of radar currently in use by police, and provides 360 degree detection of all types of laser guns laser. The Whistler 1640 is immune to the VG-2 detector, and provides alerts when VG-2 is in use. Basic support is included for SWS alerts as well.
