As one of its daily deals, Meh.com offers the Cobra iRadar 150 Detector for iPhone or Android for $28 plus $5 for shipping. That's $52 under our mention from three weeks ago (which included a a phone mount) and the lowest total price we've ever seen. (It's a current price low by $57.) This community-based detection system averages 1.1 million user reports per month and has won several awards for innovation. Deal ends today.