Early Warning Radar produces more than half of the world"s radar detectors for the biggest names in the industry. Having been in business for more than 20 years, the company is dedicated to providing radar detectors that help drivers stay informed about their surroundings and help them be better drivers by providing alerts as to the existence of speed detection devices, safety messages and road conditions. Law enforcement now recognizes that most drivers who use radar detectors are trying to obey the law, keeping their speed in check, and avoiding the costs of speeding fines, speed schools and insurance hikes. All 50 states have now adopted the Safety Alert Traffic Warning System which is designed to provide early warning of oncoming high-speed emergency vehicles and trains as well as stationary roadside hazards. The Safety Alert Warning System is now being used by Police, Fire, EMS, Road Construction Sites and Department of Transportation vehicles across the country. The EW4100 detects ALL radar bands X, K, Ka, Ka-Pop, Ku and Superwide Ka bands! Also detected is 360° Laser Detection which detects laser from the front, rear and sides including: Pulsed, UltraLyte, LTI-2020, Prolaser I, II, III, Stalker LZ-1 and Laser Atlanta L-1 The EW-4100 has a high resolution icon display, so you can see the display, even in the sun! Real voice alert technology alerts you when you turn the detector on, and it alerts you with 25 different vocal indicators, including radar and laser detection. The alerts can be in either English or Spanish. Its numeric signal strength display shows you signal intensity from 0 to 9. The auto mute mode automatically reduces sounds b