Dear customer: Thank you for choosing my store for shopping. The following are the matters needing attention for shopping: A. Economic transportation: detailed tracking information will not be included. Most of the packages will cause delayed delivery within the expected delivery time, so you need to be patient B. Each product link: There will be different option variants. If you do n’t know how to select the product you want, please contact me, I will be honored to solve this problem for you. C. When you receive the package, there is product damage / product problem / error product and shipping problem, please contact me in time, I will solve it for you! D. If you are a wholesaler / distributor, a large number of orders and quantities, to provide you with factory prices, and hope to be honored to reach a partner with you! GOOGZON store: I wish you a happy life!

Note: DC motor speed regulator DC power supply, do not be directly connected to household 220V AC Features: This Brand New 1803BK DC Motor Speed Controller allows controlling the direction of a DC the motor using a Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully the product adjust from 0%-100%. With a self-recovery fuse 2A and a Power-On LED light. Enable to provide a continuous current of 2A to your DC motor or other DC load. Specifications: Input supply voltage:1.8V-15VDC The max output power:30W The max continuous output current :2A Duty Cycle adjustable: 0%-100% Size: approx. 32*32*15mm/1.25*1.25*0.59''