Toro ts160 competition brushless speed controller is designed for 1/10th applications. It operates 2s to 3s lipo batteries with a compact size of 30. 6*35. 6*22. 5mm and it features a high-voltage bec system with selectable 6v or 7. 4v output, internal power capacitors, an optional high-speed fan unit including fan guard and all alloy case construction. For 1s use this speed control requires an external bec booster. Specifications constant/burst current - 150a/600a motor compatible - brushless sensor & sensorless esc car compatible - 1/10 and 1/12 all competitions, 1/10 and 1/8 crawlers motor limits - 2s lipo or 4-6s nimh >=3. 5t(1/10 on-road),>=5. 5t(1/10 off-road) 3s lipo or 7-9s nimh >=5. 5t(1/10 on-road), >=8. 5t(1/10 off-road) resistance - 0. 00018ohm battery cell count - 4-9s nimh or 2-3s lipo bec output - 6v/7. 4v@5a,switch size - 30. 6x35. 6x22. 5mm (lxwxh) weight - 45g (w/o wire) fan - 8v@0. 2a , max 12. 6 (sk-300064-01)