They are 1.60 x. 80 mm. They're also brighter and last for years longer than an incandescent lamp. Excellent for HO or N scale. They are 2.8 V to 3.4 V, 15 - 20 ma. The tiny wires are. 028 mm. Note: The anode (positive) lead is red and the cathode (negative) lead is black.
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