15W gear motor output speed: 415 ~ 0 rpm, 250 ~ 0 rpm, 206-0 rpm, 166 ~ 0 rpm, 125 ~ 0 rpm, 100 ~ 0 rpm, 83 ~ 0 rpm, 62 ~ 0 rpm, 52 ~ 0 rpm, 41 ~ 0 rpm, 31 ~ 0 rpm, 25-0 rpm, 20-0 rpm, 16-0 rpm, 12.5-0 rpm, 8.3-0 rpm, 6.9-0 rpm, 5-0 rpm, fast 415 rpm, slow can be transferred to 0 rpm, the faster, the smaller the strength!
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