• According to an RC Groups thread the US 3157 automotive taillight bulb works great for a mini sized quad. This is what I use and be sure to use both filaments of the bulb in parallel. If you want to use the smoke stopper on a micro brushed quad you will need to go with a lower wattage bulb. The 3157 will let enough juice flow to damage a micro. These are suggested for micro quads. A 5-7 watt bulb for this application,or use only the smaller filament from a 3057/1157 tail light bulb.


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