This is an emergency must have! Quit searching for batteries and pairs perfectly with our hand crank NOAA emergency radio! MITAKI 2pc Wind-Up Flashlight Set. The perfect companions in emergency situations, these flashlights provide timely illumination without the necessity of batteries. Includes two 3-bulb LED flashlights featuring hand cranks and 2 brightness settings. 60 seconds of winding provides approximately 2 hours of power. Each flashlight measures 4-1/4" x 1-7/8" x 1".