PRODUCT DESCRIPTION Brushless motor Model: BL2845-KV2700 Rotational Speed: 2700Kv (rpm/v) Power (W): 760W Motor Weight: 218g Max. Efficiency: 98% Idle Current: 1.1A Internal Resistance: 47mOmega Motor Dimensions (Diameter x Length) :34.5mm x 58 mm Shaft Dimensions: 4mm Input Battery Types:NiCd/ Nimh/ Li-po BatStery Wire Winds: 7 Cells Li-Po: 2-4 Cells Ni-Cd/ Ni-MH: 6-12 ESC (A): 50A