Features Reverse voltage protectionOver current protectionEasily wiringVoltage 5 12V can turn the higher the faster maximun reach approx 10000rpmSuitable for hard brushless motor brushless motor drive and other miniature 3 wire or 4 wire brushless motor without hall Specifications Drive Voltage DC 5 12VWork Current ≤1 2ASpeed Range 0 100 Dimension 46 X 61 mm 1 81 X2 40 Package Included 1 X Brushless Motor Driver Board NOTE For different monitors the color may vary slightly Besides please allow some errors of manual measurement thank you for your understanding