Cheap And Discounts 1PC MOS FET 4 Channels Pulse Trigger Switch Controller PWM Input Steady For Motor LED 4 Way 4ch 4 Way Diy Electronic Module Wholesale. Buy Directly From Merchant Shop1103605133 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.