This universal gearbox with integrated motor RF300 is characterised by a wide variety of different speeds, which can be determined during installation-free. Depending on the number of used gear wheels (up to 6 pieces), the speed to its own needs. Whether slowly rotating windmill or fast and powerful rotating vehicle drive - with the universal gearbox G 243, all the models possible. The following ratios are adjustable: 9:1/27:1/81: 1/243: 1. In the whole of slow 2.5 U/m to 720U/m, with this gear are really all speeds possible! Thanks to the large voltage range of the supplied motor (0.3 - 6.0 V), the unit via battery, solar cell or a power supply unit. The mounting holes are in the 30 mm grid to each other and can be attached with M3 screws and nuts. The dimensions of the unit amount to 36 x 38 x 26 mm, the cable length 12 cm. The abrasion axis has a diameter of 2 mm. This text is machine translated.