Color: green Material: PC+ metal Input voltage: DC10-60V Output voltage type: Load Linear Output Current: 20A Continuous power: 1200W Speed Type: adjusting flow Speed mode: potentiometer (linear) Speed range: 0 - Control frequency: 25KHZ Connection Type: Barrier Terminal Block Knobs Cord length: 20CM Module size: (L x W x H) 77MM x 45MM x 28MM Product net gain: 292 g Board Mounting size: (L x W) 73MM x 40MM Potentiometer installed opening hole size: 7MM Package includes: 4 PCS x 20A PWM DC Motor Speed Controller 12V 24V 36V 48V /w Potentiometer Knob Switch ca Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.