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TerraLUX MiniStar 110S-MM LED Bulb Upgrade is a multi-mode upgrade for your Streamlight SL20X. This flashlight accessory has an electronic regulation which maintains the light output levels over battery runtime. The LED is brighter than an incandescent bulb and dimmable for extended battery life. This upgrade is available in multi-mode (high, medium, and moon only) with 600 lumens.
