Features: High quality propeller,high efficiency. Double L9110S chip motor drive Product Description: Module supply voltage: 2.5-12V Between the motor operating voltage: 2.5v-12V Maximum operating current:0.8A Onboard a DC motor, and with a small fan PCB board size: 3.7cm * 2.1cm Fixed mounting hole diameter: 3mm Weight:50g Module Interfaces VCC 5V external voltage GND External GND IA - A channel input external microcontroller IO port IB - B channel input external microcontroller IO port Package Included: 1 x Fan Motor Module 1x 5V DC Motor 1x Prop