#222LED -Red A Red Bulb 222LED replacement is for night vision. Miniature Lamp, E10 Base Style MS Mini screw Led equivalent 2.2v, .25amp. 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 less subdued light then the incandescent version, because of its higher wavelength and calvin rating. Those looking for a more subdued red light should purchase in incandescent red bulb version. This #222LED RED miniature light bulb replacement commonly used in magnifiers, loupes, flashlight pens, etc. This model will fit many of our Electro-Optix models, including our popular M-7series, M-70, MP-8, MP-10,MP-12, MP-14, TM-7, TM-8, our reticle magnifiers and our Nitewriter Pens. Also fits eschenbach models, 1571,1572,1573,1575 and Bausch & Lomb lighted pocket magnifiers. 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 as the led is a singular polarity bulb.
This the led equivalent for the following
Bulb POWER: 2.22 Volt, .25 Amp E10 Base Style-MS Mini Screw E10 Base Red Magnifier Bulb for Night Vision