ITEM NAME:Dc Motor Speed Regulator 12V 24V 36V For High Power Drive Module Pwm Motor N3J7 Dc Motor Speed Regulator 12V 24V 36V For High Power Drive Module Pwm Motor N3J7 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