1. driver chip: L298N dual H-bridge driver chip 2. drive section terminal supply area VMS: +5V ~ +35V 3. drive section peak current Io: 2A / Bridge 4. logical part of the terminal supply area Vss :4.5-5.5V 5. logical part of the operating current range: 0 ~ 36mA 6. Control signal input voltage range: 4.5-5.5V is high level, 0V is low level 7. Maximum power consumption: 20W 8. Storage temperature: -25C ~ +130C 9. Driver Board Size: 55mm*60mm*30mm 10. Other functions: control direction indicator, power indicator, current sensing, logic portion plate to take power interface.