#245LED-Red 245 Miniature Red LED Bulb for Night Vision e10 base, mini screw, 2.46v, .5amp equivalent, Magnifier, Microscope, & Flashlight Bulb. This #222LED Red miniature light bulb is for night vision, as your eyes are less sensitive to the red light wavelength, the military has used red light to read maps for decades to preserve their night vision. This LED red magnifier bulb will give you a more less subdued light then the incandescent version. This #245 miniature LED bulb replacement will last up to 30x as long as a standard bulb. Will replace your standard #245 and will not only save you money, but will provide more illumination. LEDs are a much more efficient light source then incandescent bulbs,and will allow your batteries to last up to 5x as long and produce a slightly brighter whiter light saving you money. Each purchase is for 1 Bulb. Please note that with some models you may have to reverse the batteries for the bulb to work in your device.