The EmergiBulb doubles as a standard LED light bulb in AC mode and as a portable flashlight with a built-in lithium battery when switched to DC. Simply screw the bulb into a standard light socket and turn it on. If the power goes out, remove the bulb and slide the switch to turn it into a flashlight. Available in warm or bright light, it retails for $32. AE Light, Rogue River, Ore., (541) 471-8988. www.aelight.com

November 2012 issue