These motors add a splash of colour and fun to your projects, whilst also having building brick compatible mounting points! This model is a continuous motor (not a servo!), meaning it\’ll happily spin the wheels of your little building brick robot with pride! The motors have a 2-pin connection: Red for 3.3-5V Black for GND Available in red or blue (select above). Check out the full range of GeekServo motors and servos here! Building Brick Compatible! The motors have building brick axle mounting holes in various positions for mounting to your project however you like. These motors don\’t use standard servo horns, instead, they\’re rocking a building brick axle fitment meaning you can fit gears, wheels or other compatible axle mount parts! Specification Start Voltage: 4.8V Working Voltage: 4.8-6.0V Rated Current: 70-120mA Stall Torque (max): 0.9-1A Reduction ratio:1/300