Powerful brushless watercooled 4 pole electric motor 4082, 1890kv. 82mm long, 40mm diameter with 150A ESC speed controller. 5mm output shaft, maximum 18volts. Suitable for powering boats from 900mm up to 1200mm in length. Please note that the colour may vary from that shown. Suitable for converting boats such as Perkasa, Aerokits boats, sea queen, proboat, TFL.