Whistler XTR690 The Whistler XTR690 offers a new experience than any other radar detector in its class.  Stay alert with the XTR690 which features Dual Alert LED Periscope, POPTM Mode detection, up the tree city modes, full text display and full voice communication.  In addition to all these great features, the Whistler  XTR690 let's you stay in control with Intellicord controls, settings savers, safety warning system, a vehicle battery monitor and a digital compass with degree readings to keep you on track.  Stay safe and aware with the Whistler XTR690. Specifications Size = 4.688" x 3.00" x 1.375" Weight = 6.5 oz Insert Color = Silver Power = 12 Volts Warranty = 3 Years Acc = Power Cord Acc = Windshield Mount