EXTREME RANGE - Incredible sensitivity provides up to several miles of range, giving you protection from even the longest-distance threats. USA SUPPORT / WARRANTY / RADAR TICKET GUARANTEE - Telephone and e-mail support from the USA. 1 Year Radenso Manufacturer Warranty. Full money back guarantee within 30 days. All of our detectors are backed by the Radenso 1 Year Radar Ticket Free Guarantee. EXCELLENT FALSE ALERT FILTERING - By analyzing the DNA of radar signatures, the Radenso Pro M filters out most false alerts caused by cars around you using radar cruise control, blind-spot monitoring systems and traffic speed sensor devices.