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Bazingroo offers this Anti-Sleep Driving Alarm for $2.95. With $1.89 for shipping, that's tied with our mention from a month ago and the lowest total price we could find by $3. Worn over your ear, this device sounds an alarm when your head dips below a certain angle. It's the perfect stay-awake tool for drivers, students, security guards, and residents of Elm Street.
Brand: House Brand