High-quality-components; Excellent start-up、 acceleration and linearity Built-in、 6V/3A Blinear BEC Built-in cooling fan Fully programmable、 can be programmed with LED program box 3650 4-pole motor with 12-slot high-torque design High-RPM ABEC5 bearings Precision balanced rotor and super-tin (0.2mm) stator laminations ESC Specifications: Output: Continuous 60A、 Burst 380A Input: 5-10 cells NiMH/NiCd or 2-3S LiPo BEC: 6V/3A Resistance: 0.0007ohm Motor supported: brushless sensorless Application: 1/12、 1/10 on off-road car (not recommended for heavy four-wheel drive application) Size: 10cm*8.5cm*6.5m Weight: 210g Dimensions: 3.15 in x 2.36 in x 2.17 in (8.0 cm x 6.0 cm x 5.5 cm) Weight: 6.98 oz (198 g)