ITEM NAME:1X(Dc Motor Speed Regulator 12V 24V 36V For High Power Drive Module Pwm MotW5G6) 1X(Dc Motor Speed Regulator 12V 24V 36V For High Power Drive Module Pwm MotW5G6) 1X(Product Model:XH-M22 Speed regulation principle: PWM modulation Input voltage: DC 12~40V Maximum power: 800W Maximum current: 20A Speed range: 0~100% full speed (infinitely variable speed) Size: 86mm*56mm*34mm color: blue Material: metal + pc Package Content: 1* DC motor speed regulator)