- Color: Black<br />- Material: Copper + aluminum<br />- 2~3S Li-ion battery<br />- Internal resistance: 0.52 ohm<br />- Max effective current: 2~6A<br />- Comes with mounting bracket， propeller adapter and screws<br /><br />                                                                                                                                Dimensions: 1.18 in x 1.18 in x 0.71 in (3.0 cm x 3.0 cm x 1.8 cm)<br />Weight: 0.85 oz (24 g)<br /><br />